diff --git a/en-US/dita/RTC-NG/API/api_imediaengine_registervideoencodedframeobserver.dita b/en-US/dita/RTC-NG/API/api_imediaengine_registervideoencodedframeobserver.dita
index a41c8d43e0b..cdcff658f94 100644
--- a/en-US/dita/RTC-NG/API/api_imediaengine_registervideoencodedframeobserver.dita
+++ b/en-US/dita/RTC-NG/API/api_imediaengine_registervideoencodedframeobserver.dita
@@ -30,7 +30,7 @@
  </section>
         <section id="detailed_desc">
             <title>Details</title>
-            <p>If you only want to observe encoded video frames (such as h.264 format) without decoding and rendering the video, Agora recommends that you implement one  class through this method<xref keyref="IVideoEncodedFrameObserver"/>. <ph props="android cpp apple">有关详细的实现步骤，详见<xref keyref="video-processing"/>。</ph></p>
+            <p>If you only want to observe encoded video frames (such as H.264 format) without decoding and rendering the video, Agora recommends that you implement one <xref keyref="IVideoEncodedFrameObserver"/> class through this method. <ph props="android cpp apple">For detailed implementation steps, please refer to <xref keyref="video-processing"/>.</ph></p>
             <note type="attention">
             <p>Call this method before joining a channel.</p>
             </note> </section>
diff --git a/en-US/dita/RTC-NG/API/api_imediaengine_registervideoframeobserver.dita b/en-US/dita/RTC-NG/API/api_imediaengine_registervideoframeobserver.dita
index f2b4442176f..8b4f79df006 100644
--- a/en-US/dita/RTC-NG/API/api_imediaengine_registervideoframeobserver.dita
+++ b/en-US/dita/RTC-NG/API/api_imediaengine_registervideoframeobserver.dita
@@ -29,7 +29,7 @@
         </section>
         <section id="scenario" deliveryTarget="details">
             <title>Applicable scenarios</title>
-            <p>After registering the raw video observer, you can use the obtained raw video data in various video pre-processing scenarios, such as virtual backgrounds and image enhacement by yourself. <ph props="android cpp apple">有关详细的实现步骤，详见<xref keyref="video-processing"/>。</ph></p>
+            <p>After registering the raw video observer, you can use the obtained raw video data in various video pre-processing scenarios, such as virtual backgrounds and image enhacement by yourself. <ph props="android cpp apple">For detailed implementation steps, please refer to <xref keyref="video-processing"/>.</ph></p>
             <p props="android ios">Agora provides an open source sample project <xref keyref="beautyapi-link"/> on GitHub for your reference.</p>
         </section>
         <section id="timing" deliveryTarget="details">
diff --git a/en-US/dita/RTC-NG/API/api_imediarecorder_enablemainqueuedispatch.dita b/en-US/dita/RTC-NG/API/api_imediarecorder_enablemainqueuedispatch.dita
index 5935f98a089..55aae955583 100644
--- a/en-US/dita/RTC-NG/API/api_imediarecorder_enablemainqueuedispatch.dita
+++ b/en-US/dita/RTC-NG/API/api_imediarecorder_enablemainqueuedispatch.dita
@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE reference PUBLIC "-//OASIS//DTD DITA Reference//EN" "reference.dtd">
 <reference id="api_imediarecorder_enablemainqueuedispatch">
-    <title><ph keyref="enableMainQueueDispatch" /></title>
+    <title><ph keyref="enableMainQueueDispatch_IMediaRecorder"/></title>
     <shortdesc id="short"><ph id="shortdesc">Enables/Disables dispatching delegate methods to the main queue.</ph></shortdesc>
     <prolog>
         <metadata>
             <keywords>
-                <indexterm keyref="enableMainQueueDispatch" />
+                <indexterm keyref="enableMainQueueDispatch_IMediaRecorder"/>
             </keywords>
         </metadata>
     </prolog>
@@ -25,7 +25,7 @@
         </section>
         <section id="detailed_desc">
             <title>Details</title>
-            <p>If disabled, the app should dispatch UI operations to the main queue.</p>
+            <p id="desc">If disabled, the app should dispatch UI operations to the main queue.</p>
         </section>
         <section id="parameters">
             <title>Parameters</title>
@@ -34,8 +34,8 @@
                 <pt>enabled</pt>
                 <pd>
                     <ul>
-                        <li><codeph><ph keyref="true" /></codeph>: Dispatch delegate methods to the main queue.</li>
-                        <li><codeph><ph keyref="false" /></codeph>: Do not dispatch delegate methods to the main queue.</li>
+                        <li><codeph><ph keyref="true"/></codeph>: Dispatch delegate methods to the main queue.</li>
+                        <li><codeph><ph keyref="false"/></codeph>: Do not dispatch delegate methods to the main queue.</li>
                     </ul>
                 </pd>
             </plentry>
@@ -44,8 +44,8 @@
             <title>Returns</title>
             <ul>
             <li>0: Success.</li>
-            <li>&lt; 0: Failure.</li>
+            <li>&lt; 0: Failure. <ph props="cn">See <xref keyref="error-code-link"/> for details and resolution suggestions.</ph></li>
             </ul>
         </section>
     </refbody>
-</reference>
\ No newline at end of file
+</reference>
diff --git a/en-US/dita/RTC-NG/API/api_imediarecorder_removealllisteners.dita b/en-US/dita/RTC-NG/API/api_imediarecorder_removealllisteners.dita
index 44a2ac1905b..6b8fb80f9e3 100644
--- a/en-US/dita/RTC-NG/API/api_imediarecorder_removealllisteners.dita
+++ b/en-US/dita/RTC-NG/API/api_imediarecorder_removealllisteners.dita
@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE reference PUBLIC "-//OASIS//DTD DITA Reference//EN" "reference.dtd">
 <reference id="api_imediarecorder_removealllisteners">
-    <title><ph keyref="removeAllListeners_IMediaRecorder" /></title>
+    <title><ph keyref="removeAllListeners_IMediaRecorder"/></title>
     <shortdesc id="short"><ph id="shortdesc">Removes all listeners for the specified event.</ph></shortdesc>
     <prolog>
         <metadata>
             <keywords>
-                <indexterm keyref="removeAllListeners_IMediaRecorder" />
+                <indexterm keyref="removeAllListeners_IMediaRecorder"/>
             </keywords>
         </metadata>
     </prolog>
@@ -30,9 +30,9 @@
             <title>Parameters</title>
             <parml>
             <plentry conkeyref="addListener_IMediaRecorder/eventType">
-                <pt />
-                <pd />
+                <pt/>
+                <pd/>
             </plentry>
             </parml> </section>
     </refbody>
-</reference>
\ No newline at end of file
+</reference>
diff --git a/en-US/dita/RTC-NG/API/api_irtcengine_enablelocalaudio.dita b/en-US/dita/RTC-NG/API/api_irtcengine_enablelocalaudio.dita
index c51873834b7..7e914640742 100644
--- a/en-US/dita/RTC-NG/API/api_irtcengine_enablelocalaudio.dita
+++ b/en-US/dita/RTC-NG/API/api_irtcengine_enablelocalaudio.dita
@@ -34,7 +34,7 @@
         </section>
         <section id="scenario" deliveryTarget="details">
             <title>Applicable scenarios</title>
-            <p>该方法不影响远端音频流的接收和播放。 <apiname keyref="enableLocalAudio" /><codeph>(<ph keyref="false" />)</codeph> 适用于只接收远端音频而不发送本地采集音频的场景。</p>
+            <p>This method does not affect receiving the remote audio streams. <apiname keyref="enableLocalAudio" /><codeph>(<ph keyref="false" />)</codeph> is suitable for scenarios where the user wants to receive remote audio streams without sending locally captured audio.</p>
         </section>
         <section id="timing" deliveryTarget="details">
             <title>Call timing</title>
diff --git a/en-US/dita/RTC-NG/API/api_irtcengine_getcallid.dita b/en-US/dita/RTC-NG/API/api_irtcengine_getcallid.dita
index 97b3d83233e..5ca2d1a95c7 100644
--- a/en-US/dita/RTC-NG/API/api_irtcengine_getcallid.dita
+++ b/en-US/dita/RTC-NG/API/api_irtcengine_getcallid.dita
@@ -26,7 +26,7 @@
             <codeblock props="reserve" outputclass="language-cpp"></codeblock></p>
         </section>
         <section id="detailed_desc" deliveryTarget="details" otherprops="no-title">
-            <p id="detail">When a user joins a channel on a client, a <parmname>callId</parmname> is generated to identify the call from the client. <ph props="android cpp apple framework">你可以调用该方法获取 <parmname>callId</parmname> 参数，然后在调用 <xref keyref="rate" />、<xref keyref="complain" /> 等方法时填入。</ph></p>
+            <p id="detail">When a user joins a channel on a client, a <parmname>callId</parmname> is generated to identify the call from the client. <ph props="android cpp apple framework">You can call this method to get <parmname>callId</parmname>, and pass it in when calling methods such as <xref keyref="rate" /> and <xref keyref="complain" />.</ph></p>
             </section>
             <section id="timing" deliveryTarget="details">
                 <title>Call timing</title>
diff --git a/en-US/dita/RTC-NG/API/api_irtcengine_geterrordescription.dita b/en-US/dita/RTC-NG/API/api_irtcengine_geterrordescription.dita
index 7970f98adab..0165ecded3a 100644
--- a/en-US/dita/RTC-NG/API/api_irtcengine_geterrordescription.dita
+++ b/en-US/dita/RTC-NG/API/api_irtcengine_geterrordescription.dita
@@ -33,12 +33,12 @@
             <plentry>
                 <pt props="cpp unreal bp unity flutter electron rn cs">code</pt>
                 <pt props="android hmos ios mac">error</pt>
-                <pd>SDK 报告的错误码。</pd>
+                <pd>The error code reported by the SDK.</pd>
             </plentry>
             </parml> </section>
         <section id="return_values">
             <title>Returns</title>
-            <p>具体的错误描述。</p>
+            <p>The specific error description.</p>
         </section>
     </refbody>
 </reference>
\ No newline at end of file
diff --git a/en-US/dita/RTC-NG/API/api_irtcengine_joinchannel.dita b/en-US/dita/RTC-NG/API/api_irtcengine_joinchannel.dita
index a277eb83703..e141152103c 100644
--- a/en-US/dita/RTC-NG/API/api_irtcengine_joinchannel.dita
+++ b/en-US/dita/RTC-NG/API/api_irtcengine_joinchannel.dita
@@ -72,7 +72,7 @@
             </plentry>
             <plentry id="uid">
                 <pt>uid</pt>
-                <pd>The user ID. This parameter is used to identify the user in the channel for real-time audio and video interaction. You need to set and manage user IDs yourself, and ensure that each user ID in the same channel is unique. <ph props="android hmos">This parameter is a 32-bit signed integer. The value range is from <sup>-231</sup>-1 to <sup>231</sup>-1. </ph><ph props="cpp apple framework">This parameter is a 32-bit unsigned integer. The value range is 1 to 2<sup>32</sup>-1. </ph>If the user ID is not assigned (or set to 0), the SDK assigns a random user ID and <apiname keyref="onJoinChannelSuccess" /> returns it in the  callback. Your application must record and maintain the returned user ID, because the SDK does not do so.</pd>
+                <pd>The user ID. This parameter is used to identify the user in the channel for real-time audio and video interaction. You need to set and manage user IDs yourself, and ensure that each user ID in the same channel is unique. <ph props="android hmos">This parameter is a 32-bit signed integer. The value range is from -2<sup>31</sup> to 2<sup>31</sup>-1. </ph><ph props="cpp apple framework">This parameter is a 32-bit unsigned integer. The value range is 1 to 2<sup>32</sup>-1. </ph>If the user ID is not assigned (or set to 0), the SDK assigns a random user ID and <apiname keyref="onJoinChannelSuccess" /> returns it in the  callback. Your application must record and maintain the returned user ID, because the SDK does not do so.</pd>
             </plentry>
             <plentry props="ios mac" conkeyref="joinChannel2/joinsuccessblock">
                 <pt />
diff --git a/en-US/dita/RTC-NG/API/api_irtcengine_joinchannel2.dita b/en-US/dita/RTC-NG/API/api_irtcengine_joinchannel2.dita
index 3e5522224b7..6042c627122 100644
--- a/en-US/dita/RTC-NG/API/api_irtcengine_joinchannel2.dita
+++ b/en-US/dita/RTC-NG/API/api_irtcengine_joinchannel2.dita
@@ -95,7 +95,7 @@
             </plentry>
             <plentry id="uid">
                 <pt>uid</pt>
-                <pd>The user ID. This parameter is used to identify the user in the channel for real-time audio and video interaction. You need to set and manage user IDs yourself, and ensure that each user ID in the same channel is unique. <ph props="android hmos">This parameter is a 32-bit signed integer. The value range is from <sup>-231</sup>-1 to <sup>231</sup>-1. </ph><ph props="cpp apple framework">This parameter is a 32-bit unsigned integer. The value range is 1 to 2<sup>32</sup>-1. </ph>If the user ID is not assigned (or set to 0), the SDK assigns a random user ID and <apiname keyref="onJoinChannelSuccess" /> returns it in the  callback. Your application must record and maintain the returned user ID, because the SDK does not do so.</pd>
+                <pd>The user ID. This parameter is used to identify the user in the channel for real-time audio and video interaction. You need to set and manage user IDs yourself, and ensure that each user ID in the same channel is unique. <ph props="android hmos">This parameter is a 32-bit signed integer. The value range is from -2<sup>31</sup> to 2<sup>31</sup>-1. </ph><ph props="cpp apple framework">This parameter is a 32-bit unsigned integer. The value range is 1 to 2<sup>32</sup>-1. </ph>If the user ID is not assigned (or set to 0), the SDK assigns a random user ID and <apiname keyref="onJoinChannelSuccess" /> returns it in the  callback. Your application must record and maintain the returned user ID, because the SDK does not do so.</pd>
             </plentry>
             <plentry id="options">
                 <pt props="android hmos cpp unreal bp electron unity rn flutter cs">options</pt>
@@ -116,7 +116,7 @@
                 <li>-2: The parameter is invalid. For example, the token is invalid, the <parmname>uid</parmname> parameter is not set to an integer, or the value of a member in <xref keyref="ChannelMediaOptions" /> is invalid. You need to pass in a valid parameter and join the channel again.</li>
                 <li>-3: Fails to initialize the <xref keyref="IRtcEngine" /> object. You need to reinitialize the <apiname keyref="IRtcEngine" /> object.</li>
                 <li>-7: The <apiname keyref="IRtcEngine" /> object has not been initialized. You need to initialize the <apiname keyref="IRtcEngine" /> object before calling this method.</li>
-                <li>-8: The internal state of the <apiname keyref="IRtcEngine" /> object is wrong. <ph props="android cpp apple framework">The typical cause is that<xref keyref="startEchoTest3" /> after calling  to start a call loop test,<xref keyref="stopEchoTest" /> you call this method to join the channel without calling  to stop the test. You need to call  before calling this method<apiname keyref="stopEchoTest" />.</ph></li>
+                <li>-8: The internal state of the <apiname keyref="IRtcEngine" /> object is wrong. <ph props="android cpp apple framework">The typical cause is that after calling <xref keyref="startEchoTest3" /> to start a call loop test, you call this method to join the channel without calling <xref keyref="stopEchoTest" /> to stop the test. You need to call <apiname keyref="stopEchoTest" /> before calling this method.</ph></li>
                 <li>-17: The request to join the channel is rejected. The typical cause is that the user is already in the channel. Agora recommends that you use the <xref keyref="onConnectionStateChanged" /> callback to see whether the user is in the channel. Do not call this method to join the channel unless you receive the <apiname keyref="CONNECTION_STATE_DISCONNECTED" />(1) state.</li>
                 <li>-102: The channel name is invalid. You need to pass in a valid channel name in <parmname>channelId</parmname> to rejoin the channel.</li>
                 <li>-121: The user ID is invalid. You need to pass in a valid user ID in <parmname>uid</parmname> to rejoin the channel.</li>
diff --git a/en-US/dita/RTC-NG/API/api_irtcengine_playeffect3.dita b/en-US/dita/RTC-NG/API/api_irtcengine_playeffect3.dita
index 96c7ed740b1..b2ae9f63590 100644
--- a/en-US/dita/RTC-NG/API/api_irtcengine_playeffect3.dita
+++ b/en-US/dita/RTC-NG/API/api_irtcengine_playeffect3.dita
@@ -97,7 +97,7 @@
                         <p props="cpp framework">The file path. The SDK supports URLs and absolute path of local files. The absolute path needs to be accurate to the file name and extension. Supported audio formats include MP3, AAC, M4A, MP4, WAV, and 3GP. <ph props="cpp">See <xref keyref="filePath-link">Supported Audio Formats</xref>.</ph></p>
                         <p props="android">The file path. The SDK supports URI addresses starting with <codeph>content://</codeph>, paths starting with <codeph>/assets/</codeph>, URLs and absolute paths of local files. The absolute path needs to be accurate to the file name and extension. Supported audio formats include MP3, AAC, M4A, MP4, WAV, and 3GP. See <xref keyref="filePath-link">Supported Audio Formats</xref>.</p>
                         <p props="apple">The file path. The SDK  supports file paths starting with <codeph>ipod-library//</codeph>, URLs and absolute file paths of local files. The absolute path needs to be accurate to the file name and extension. Supported audio formats include MP3, AAC, M4A, MP4, WAV, and 3GP. See <xref keyref="filePath-link">Supported Audio Formats</xref>.</p>
-                        <p props="hmos">播放文件的地址。</p>
+                        <p props="hmos">The file path.</p>
                         <note type="attention" props="android cpp apple framework">If you have preloaded an audio effect into memory by calling <xref keyref="preloadEffect" />, ensure that the value of this parameter is the same as that of <parmname>filePath</parmname> in <apiname keyref="preloadEffect" />.</note> </pd>
             </plentry>
             <plentry id="loopcount">
diff --git a/en-US/dita/RTC-NG/API/api_irtcengine_sendcustomreportmessage.dita b/en-US/dita/RTC-NG/API/api_irtcengine_sendcustomreportmessage.dita
index 2f59c6d49d0..fa36105d640 100644
--- a/en-US/dita/RTC-NG/API/api_irtcengine_sendcustomreportmessage.dita
+++ b/en-US/dita/RTC-NG/API/api_irtcengine_sendcustomreportmessage.dita
@@ -53,7 +53,7 @@
         </section>
         <section id="detailed_desc">
             <title>Details</title>
-            <p id="desc">Agora supports reporting and analyzing customized messages. This function is in the beta stage with a free trial. The ability provided in its beta test version is reporting a maximum of 10 message pieces within 6 seconds, with each message piece not exceeding 256 bytes and each string not exceeding 100 bytes. To try out this function, <xref keyref="mailto-link"/>contact  and discuss the format of customized messages with us.</p>
+            <p id="desc">Agora supports reporting and analyzing customized messages. This function is in the beta stage with a free trial. The ability provided in its beta test version is reporting a maximum of 10 message pieces within 6 seconds, with each message piece not exceeding 256 bytes and each string not exceeding 100 bytes. To try out this function, contact <xref keyref="mailto-link"/> and discuss the format of customized messages with us.</p>
         </section>
     </refbody>
 </reference>
\ No newline at end of file
diff --git a/en-US/dita/RTC-NG/API/api_irtcengine_sendstreammessage.dita b/en-US/dita/RTC-NG/API/api_irtcengine_sendstreammessage.dita
index bee8765a921..43f511d6413 100644
--- a/en-US/dita/RTC-NG/API/api_irtcengine_sendstreammessage.dita
+++ b/en-US/dita/RTC-NG/API/api_irtcengine_sendstreammessage.dita
@@ -37,10 +37,10 @@
             <title>Details</title>
             <p>After calling <xref keyref="createDataStream2" />, you can call this method to send data stream messages to all users in the channel.</p>
             <p id="limit">The SDK has the following restrictions on this method:<ul>
-            <li>频道内每个客户端最多可以同时拥有 5 个数据通道，所有数据通道共用的总发包码率限制为 30 KB/s。</li>
-            <li>Up to 60 packets can be sent per second in a data stream with each packet having a maximum size of 1 KB.</li>
+            <li>Each client within the channel can have up to 5 data channels simultaneously, with a total shared packet bitrate limit of 30 KB/s for all data channels.</li>
+            <li>Each data channel can send up to 60 packets per second, with each packet being a maximum of 1 KB.</li>
             </ul></p>
-            <p id="error">A successful method call triggers the<xref keyref="onStreamMessage" />  callback on the remote client, from which the remote user gets the stream message. A failed method call triggers the  callback on<xref keyref="onStreamMessageError" /> the remote client.</p>
+            <p id="error">A successful method call triggers the <xref keyref="onStreamMessage" /> callback on the remote client, from which the remote user gets the stream message. A failed method call triggers the <xref keyref="onStreamMessageError" /> callback on the remote client.</p>
             <note type="attention">
             <ul>
             <li>This method needs to be called after <xref keyref="createDataStream2" /> and joining the channel.</li>
diff --git a/en-US/dita/RTC-NG/API/api_irtcengine_setclientrole2.dita b/en-US/dita/RTC-NG/API/api_irtcengine_setclientrole2.dita
index 5b72016e488..0bf3eb6e9f5 100644
--- a/en-US/dita/RTC-NG/API/api_irtcengine_setclientrole2.dita
+++ b/en-US/dita/RTC-NG/API/api_irtcengine_setclientrole2.dita
@@ -34,7 +34,7 @@
         </section>
         <section id="detailed_desc" deliveryTarget="details" otherprops="no-title">
             <p>By default,the SDK sets the user role as audience. You can call this method to set the user role as host. The user role (<parmname>roles</parmname>) determines the users' permissions at the SDK level, including whether they can publish audio and video streams in a channel.</p>
-            <p props="android cpp apple unreal unity cs">The difference between this method and <xref keyref="setClientRole1"/> is that, the former supports setting the <parmname>audienceLatencyLevel</parmname>. <parmname>audienceLatencyLevel</parmname> needs to be used together with <parmname>role</parmname> to determine the level of service that users can enjoy within their permissions. For example, an audience member can choose to receive remote streams with low latency or ultra-low latency. 不同的延时级别会影响计费，详见<xref keyref="billing-streaming"/>。</p>
+            <p props="android cpp apple unreal unity cs">The difference between this method and <xref keyref="setClientRole1"/> is that, the former supports setting the <parmname>audienceLatencyLevel</parmname>. <parmname>audienceLatencyLevel</parmname> needs to be used together with <parmname>role</parmname> to determine the level of service that users can enjoy within their permissions. For example, an audience member can choose to receive remote streams with low latency or ultra-low latency. Latency of different levels differs in billing. See <xref keyref="billing-streaming"/>.</p>
         </section>
         <section id="timing" deliveryTarget="details">
             <title>Call timing</title>
diff --git a/en-US/dita/RTC-NG/API/api_irtcengine_setdefaultaudioroutetospeakerphone.dita b/en-US/dita/RTC-NG/API/api_irtcengine_setdefaultaudioroutetospeakerphone.dita
index 4eb37551ac9..9c2cc1170a8 100644
--- a/en-US/dita/RTC-NG/API/api_irtcengine_setdefaultaudioroutetospeakerphone.dita
+++ b/en-US/dita/RTC-NG/API/api_irtcengine_setdefaultaudioroutetospeakerphone.dita
@@ -45,7 +45,7 @@
             </note> </section>
         <section id="timing" deliveryTarget="details">
             <title>Call timing</title>
-            <p>Call this method before joining a channel. <ph props="android cpp apple framework">如需在加入频道后切换音频路由，请调用 <xref keyref="setEnableSpeakerphone"/>。</ph></p>
+            <p>Call this method before joining a channel. <ph props="android cpp apple framework">If you need to change the audio route after joining a channel, call <xref keyref="setEnableSpeakerphone"/>.</ph></p>
         </section>        
         <section id="restriction" deliveryTarget="details">
             <title>Restrictions</title>
diff --git a/en-US/dita/RTC-NG/API/api_irtcengine_setlocalaccesspoint.dita b/en-US/dita/RTC-NG/API/api_irtcengine_setlocalaccesspoint.dita
index 52fc4d42c5c..8f536b5b392 100644
--- a/en-US/dita/RTC-NG/API/api_irtcengine_setlocalaccesspoint.dita
+++ b/en-US/dita/RTC-NG/API/api_irtcengine_setlocalaccesspoint.dita
@@ -34,7 +34,7 @@
         </section>        
         <section id="restriction" deliveryTarget="details">
             <title>Restrictions</title>
-            <p>This method takes effect only after the Agora hybrid cloud solution is deployed. You can contact  to get to <xref keyref="mailto-link"/>know more about the Agora hybrid cloud solution.</p>
+            <p>This method takes effect only after the Agora hybrid cloud solution is deployed. You can contact <xref keyref="mailto-link"/> to get to know more about the Agora hybrid cloud solution.</p>
         </section>
         <section id="parameters" deliveryTarget="details">
             <title>Parameters</title>
diff --git a/en-US/dita/RTC-NG/API/api_irtcengine_setlocalrendermode.dita b/en-US/dita/RTC-NG/API/api_irtcengine_setlocalrendermode.dita
index 0cb652216c4..d051a310096 100644
--- a/en-US/dita/RTC-NG/API/api_irtcengine_setlocalrendermode.dita
+++ b/en-US/dita/RTC-NG/API/api_irtcengine_setlocalrendermode.dita
@@ -55,8 +55,7 @@
             </plentry>
             <plentry props="ios mac">
                 <pt>uid</pt>
-                <pd>
-                  用户 ID。</pd>
+                <pd>The user ID.</pd>
             </plentry>
             </parml> </section>
         <section id="return_values">
diff --git a/en-US/dita/RTC-NG/API/api_irtcengine_setremotevideosubscriptionoptions.dita b/en-US/dita/RTC-NG/API/api_irtcengine_setremotevideosubscriptionoptions.dita
index 0c0ebb1e474..44ee510819e 100644
--- a/en-US/dita/RTC-NG/API/api_irtcengine_setremotevideosubscriptionoptions.dita
+++ b/en-US/dita/RTC-NG/API/api_irtcengine_setremotevideosubscriptionoptions.dita
@@ -35,12 +35,11 @@
         </section>
         <section id="detailed_desc">
             <title>Details</title>
-            <p>When a remote user has enabled dual-stream mode, you can call this method to choose the option for subscribing to the video streams sent by the remote user. SDK 对远端视频流的默认订阅行为取决于注册的视频观测器类型：<ul>
-                <li>如果注册的是 <xref keyref="IVideoFrameObserver"/> 观测器，则默认订阅原始数据和编码后的数据。</li>
-                <li>如果注册的是 <xref keyref="IVideoEncodedFrameObserver"/> 观测器，则默认仅订阅编码后的数据。</li>
-                <li>如果注册了两种观测器，则默认跟随后注册的视频观测器。 举例来说，如果后注册的是 <apiname keyref="IVideoFrameObserver"/> 观测器，则默认订阅原始数据和编码后的数据。</li>
-            </ul>
-            如果你想修改以上默认行为，或者想针对不同 <codeph>uid</codeph> 设置不同的订阅选项，可调用该方法设置。 <ph props="android cpp apple">有关详细的实现步骤，详见<xref keyref="video-processing"/>。</ph></p>
+            <p>When a remote user has enabled dual-stream mode, you can call this method to choose the option for subscribing to the video streams sent by the remote user. The default subscription behavior of the SDK for remote video streams depends on the registered video observer type:<ul>
+                <li>If the <xref keyref="IVideoFrameObserver"/> observer is registered, the default is to subscribe to both raw data and encoded data.</li>
+                <li>If the <xref keyref="IVideoEncodedFrameObserver"/> observer is registered, the default is to subscribe only to the encoded data.</li>
+                <li>If both types of observers are registered, the default follows the last registered video observer. For example, if the last registered observer is the <apiname keyref="IVideoFrameObserver"/> observer, the default is to subscribe to both raw data and encoded data.</li>
+            </ul>If you want to modify the default behavior above, or want to set different subscription options for different <codeph>uids</codeph>, you can call this method to set it. <ph props="android cpp apple">For detailed implementation steps, please refer to <xref keyref="video-processing"/>.</ph></p>
         </section>
         <section id="parameters">
             <title>Parameters</title>
diff --git a/en-US/dita/RTC-NG/API/api_irtcengine_setuplocalvideo.dita b/en-US/dita/RTC-NG/API/api_irtcengine_setuplocalvideo.dita
index 1c7d58fd7a6..61005084a8b 100644
--- a/en-US/dita/RTC-NG/API/api_irtcengine_setuplocalvideo.dita
+++ b/en-US/dita/RTC-NG/API/api_irtcengine_setuplocalvideo.dita
@@ -26,7 +26,7 @@
             <codeblock props="reserve" outputclass="language-cpp"></codeblock></p>
         </section>
         <section id="detailed_desc" deliveryTarget="details" otherprops="no-title">
-            <p>This method initializes the video view of a local stream on the local device. It only affects the video seen by the local user and does not impact the publishing of the local video. 调用该方法绑定本地视频流的显示视窗 (<parmname>view</parmname>)，并设置本地用户视图的渲染模式和镜像模式。</p>
+            <p>This method initializes the video view of a local stream on the local device. It only affects the video seen by the local user and does not impact the publishing of the local video. Call this method to bind the local video stream to a video view (<parmname>view</parmname>) and to set the rendering and mirror modes of the video view.</p>
             <p>The binding remains valid after leaving the channel. To stop rendering or unbind the local video from the view, set <parmname>view</parmname> as <ph keyref="NULL" />.</p>
             <note type="attention">
             <ul>
diff --git a/en-US/dita/RTC-NG/API/api_irtcengine_startlastmileprobetest.dita b/en-US/dita/RTC-NG/API/api_irtcengine_startlastmileprobetest.dita
index 9b6724e9243..2cb050ea915 100644
--- a/en-US/dita/RTC-NG/API/api_irtcengine_startlastmileprobetest.dita
+++ b/en-US/dita/RTC-NG/API/api_irtcengine_startlastmileprobetest.dita
@@ -38,7 +38,7 @@
         </section>
         <section id="related" deliveryTarget="details">
             <title>Related callbacks</title>
-            <p>成功调用该方法后，SDK 会依次触发如下 2 个回调：<ul>
+            <p>After successfully calling this method, the SDK sequentially triggers the following 2 callbacks:<ul>
                     <li><xref keyref="onLastmileQuality" />: The SDK triggers this callback within two seconds depending on the network conditions. This callback rates the network conditions and is more closely linked to the user experience.</li>
                     <li><xref keyref="onLastmileProbeResult" />: The SDK triggers this callback within 30 seconds depending on the network conditions. This callback returns the real-time statistics of the network conditions and is more objective.</li>
                 </ul>
diff --git a/en-US/dita/RTC-NG/API/api_irtcengine_startlocalvideotranscoder.dita b/en-US/dita/RTC-NG/API/api_irtcengine_startlocalvideotranscoder.dita
index 47a8f71f429..3ff7e0441f4 100644
--- a/en-US/dita/RTC-NG/API/api_irtcengine_startlocalvideotranscoder.dita
+++ b/en-US/dita/RTC-NG/API/api_irtcengine_startlocalvideotranscoder.dita
@@ -37,7 +37,7 @@
         <title>Applicable scenarios</title>
         <p>You can enable the local video mixing function in scenarios such as remote conferences, live streaming, and online education, which allows users to view and manage multiple videos more conveniently, and supports portrait-in-picture effect and other functions.</p>
         <p>The following is a typical use case for implementing the portrait-in-picture effect:<ol>
-                <li>调用 <xref keyref="enableVirtualBackground"  props="android cpp apple framework"/><xref keyref="enableVirtualBackground2"  props="hmos"/>，并将自定义背景图设置为 <apiname keyref="BACKGROUND_NONE"/>，即：在摄像头采集的视频中将人像和背景分割。</li>
+                <li>Call <xref keyref="enableVirtualBackground"  props="android cpp apple framework"/><xref keyref="enableVirtualBackground2"  props="hmos"/>, and set the custom background image to <apiname keyref="BACKGROUND_NONE"/>, that is, separate the portrait and the background in the video captured by the camera.</li>
                 <li>Call <xref props="cpp unreal bp mac unity cs flutter electron" keyref="startScreenCapture2"/><xref props="ios android hmos rn" keyref="startScreenCapture"/> to start capturing the screen sharing video stream.</li>
                 <li>Call this method and set the video source for capturing portraits as one of the video sources participating in the local video mixing, picture-in-picture of the portrait can be achived in the mixed video.</li>
                 </ol></p>
@@ -58,7 +58,7 @@
                     <li props="cpp unreal bp mac unity electron flutter">On the macOS platform, it supports up to 4 video streams captured by cameras + 1 screen sharing stream.</li>
                     <li props="cpp unreal bp unity rn flutter">On Android and iOS platforms, it supports video streams captured by up to 2 cameras (the device itself needs to support dual cameras or supports external cameras) + 1 screen sharing stream.</li>
                     <li props="android">On the Android platform, it supports up to 2 video streams captured by cameras (the device itself needs to support dual cameras or support external cameras) + 1 screen sharing stream.</li>
-                    <li props="hmos">在 HarmonyOS 平台上，最多支持 2 路摄像头采集的视频流（需要设备本身支持双摄或支持外接摄像头）+ 1 路屏幕共享合图。</li>
+                    <li props="hmos">On the HarmonyOS platform, it supports up to 2 video streams captured by cameras (the device itself needs to support dual cameras or support external cameras) + 1 screen sharing stream.</li>
                     <li props="ios">On the iOS platform, it supports up to 2 video streams captured by cameras (the device itself needs to support dual cameras or support external cameras) + 1 screen sharing stream.</li></ul></li>
                     <li>When configuring the local video mixing, it is necessary to ensure that the layer number of the video stream capturing the portrait is greater than the layer number of the screen sharing stream. Otherwise, the portrait will be covered by the screen sharing and will not be displayed in the final mixed video stream.</li>
             </ul>
diff --git a/en-US/dita/RTC-NG/API/api_irtcengine_startrtmpstreamwithtranscoding.dita b/en-US/dita/RTC-NG/API/api_irtcengine_startrtmpstreamwithtranscoding.dita
index 2378e2982a7..191232ae448 100644
--- a/en-US/dita/RTC-NG/API/api_irtcengine_startrtmpstreamwithtranscoding.dita
+++ b/en-US/dita/RTC-NG/API/api_irtcengine_startrtmpstreamwithtranscoding.dita
@@ -54,7 +54,7 @@
             <plentry id="transcoding">
                 <pt>transcoding</pt>
                 <pd>
-                    <p>旁路推流的转码属性，详见 <xref keyref="LiveTranscoding"/>。</p>
+                    <p>The transcoding configuration for Media Push. See <xref keyref="LiveTranscoding"/>.</p>
                 </pd>
             </plentry>
             </parml> </section>
diff --git a/en-US/dita/RTC-NG/API/callback_irtcengineeventhandler_oncamerafocusareachanged.dita b/en-US/dita/RTC-NG/API/callback_irtcengineeventhandler_oncamerafocusareachanged.dita
index b58085cfa15..34fe126fb10 100644
--- a/en-US/dita/RTC-NG/API/callback_irtcengineeventhandler_oncamerafocusareachanged.dita
+++ b/en-US/dita/RTC-NG/API/callback_irtcengineeventhandler_oncamerafocusareachanged.dita
@@ -72,7 +72,7 @@
             <parml props="hmos">
             <plentry>
                 <pt>point</pt>
-                <pd>镜头内表示对焦的点。</pd>
+                <pd>The focus point within the camera frame.</pd>
             </plentry>
             <plentry conkeyref="onJoinChannelSuccess/engine" props="ios mac">
                 <pt />
diff --git a/en-US/dita/RTC-NG/API/callback_irtcengineeventhandler_onclientrolechanged.dita b/en-US/dita/RTC-NG/API/callback_irtcengineeventhandler_onclientrolechanged.dita
index 5b790915e29..09d8023b7b9 100644
--- a/en-US/dita/RTC-NG/API/callback_irtcengineeventhandler_onclientrolechanged.dita
+++ b/en-US/dita/RTC-NG/API/callback_irtcengineeventhandler_onclientrolechanged.dita
@@ -53,7 +53,7 @@ NS_SWIFT_NAME(rtcEngine(_:didClientRoleChanged:newRole:newRoleOptions:));</codeb
         <section id="restriction" deliveryTarget="details">
             <title>Restrictions</title>
             <p props="android cpp apple cs unity unreal">This callback will not be triggered when you call <xref keyref="setClientRole1"/> or <xref keyref="setClientRole2"/> and set the user role to <parmname>BROADCASTER</parmname> <b>before joining a channel</b>.</p>
-            <p props="hmos flutter rn electron bp">当你在<b>加入频道前</b>调用 <xref keyref="setClientRole2"/> 并将用户角色设为 <parmname>BROADCASTER</parmname> 时，不会触发此回调。</p>
+            <p props="hmos flutter rn electron bp">This callback will not be triggered when you call <xref keyref="setClientRole2"/> and set the user role to <parmname>BROADCASTER</parmname> <b>before joining a channel</b>.</p>
         </section>
         <section id="parameters" deliveryTarget="details">
             <title><ph keyref="callback-section-title"/></title>
diff --git a/en-US/dita/RTC-NG/API/callback_irtcengineeventhandler_onconnectionstatechanged.dita b/en-US/dita/RTC-NG/API/callback_irtcengineeventhandler_onconnectionstatechanged.dita
index 4cca0037701..123ad62ab8a 100644
--- a/en-US/dita/RTC-NG/API/callback_irtcengineeventhandler_onconnectionstatechanged.dita
+++ b/en-US/dita/RTC-NG/API/callback_irtcengineeventhandler_onconnectionstatechanged.dita
@@ -58,11 +58,11 @@
                 <pd>
                     <p id="connectionstate">The current connection state. <ph props="hmos ios mac cpp unreal bp unity flutter electron rn cs">See <xref keyref="CONNECTION_STATE_TYPE" />.</ph></p>
                     <ul props="android">
-                    <li><ph keyref="CONNECTION_STATE_DISCONNECTED" />(1)：网络连接断开。</li>
-                    <li><ph keyref="CONNECTION_STATE_CONNECTING" />(2)：建立网络连接中。</li>
-                    <li><ph keyref="CONNECTION_STATE_CONNECTED" />(3)：网络已连接。</li>
-                    <li><ph keyref="CONNECTION_STATE_RECONNECTING" />(4)：重新建立网络连接中。</li>
-                    <li><ph keyref="CONNECTION_STATE_FAILED" />(5)：网络连接失败。</li>
+                    <li><ph keyref="CONNECTION_STATE_DISCONNECTED" />(1): The SDK is disconnected from Agora's edge server.</li>
+                    <li><ph keyref="CONNECTION_STATE_CONNECTING" />(2): The SDK is connecting to Agora's edge server.</li>
+                    <li><ph keyref="CONNECTION_STATE_CONNECTED" />(3): The SDK is connected to Agora's edge server.</li>
+                    <li><ph keyref="CONNECTION_STATE_RECONNECTING" />(4): The SDK tries to reconnect to the Agora edge server.</li>
+                    <li><ph keyref="CONNECTION_STATE_FAILED" />(5): The SDK fails to connect to Agora's edge server.</li>
                     </ul> </pd>
             </plentry>
             <plentry id="reason">
diff --git a/en-US/dita/RTC-NG/API/callback_irtcengineeventhandler_onlocalvideostatechanged.dita b/en-US/dita/RTC-NG/API/callback_irtcengineeventhandler_onlocalvideostatechanged.dita
index 169a9876cf0..54913cf300f 100644
--- a/en-US/dita/RTC-NG/API/callback_irtcengineeventhandler_onlocalvideostatechanged.dita
+++ b/en-US/dita/RTC-NG/API/callback_irtcengineeventhandler_onlocalvideostatechanged.dita
@@ -99,7 +99,7 @@
                     <li><ph keyref="LOCAL_VIDEO_STREAM_REASON_DEVICE_NOT_FOUND"/> (8): Fails to find a local video capture device. Remind the user to check whether the camera is connected to the device properly or the camera is working properly, and then to rejoin the channel.</li>
                     <li><ph keyref="LOCAL_VIDEO_STREAM_REASON_DEVICE_INTERRUPT"/> (14): Video capture is interrupted. Possible reasons include the following:<ul>
                         <li>The camera is being used by another app. Prompt the user to check if the camera is being used by another app.</li>
-                        <li>设备已锁屏，或当前 App 已被切换到后台。 You can use foreground services to notify the operating system and ensure that the app can still collect video when it switches to the background. <ph props="cn">See <xref keyref="android-background"/>.</ph></li>
+                        <li>The device is locked, or the current app has been switched to the background. You can use foreground services to notify the operating system and ensure that the app can still collect video when it switches to the background. <ph props="cn">See <xref keyref="android-background"/>.</ph></li>
                     </ul></li>
                     <li><ph keyref="LOCAL_VIDEO_STREAM_REASON_DEVICE_FATAL_ERROR"/> (15): The video capture device encounters an error. Prompt the user to close and restart the camera to restore functionality. If this operation does not solve the problem, check if the camera has a hardware failure.</li>
                     </ul> </p>
diff --git a/en-US/dita/RTC-NG/API/callback_irtcengineeventhandler_onrtmpstreamingstatechanged.dita b/en-US/dita/RTC-NG/API/callback_irtcengineeventhandler_onrtmpstreamingstatechanged.dita
index 79edf63f5df..58ab0ec1897 100644
--- a/en-US/dita/RTC-NG/API/callback_irtcengineeventhandler_onrtmpstreamingstatechanged.dita
+++ b/en-US/dita/RTC-NG/API/callback_irtcengineeventhandler_onrtmpstreamingstatechanged.dita
@@ -88,7 +88,7 @@
                     <li><ph keyref="RTMP_STREAM_PUBLISH_REASON_STREAM_NOT_FOUND"/>(9): Agora's server fails to find the media stream of Media Push.</li>
                     <li><ph keyref="RTMP_STREAM_PUBLISH_REASON_FORMAT_NOT_SUPPORTED"/>(10): The format of the media push URL is not supported. Check whether the URL format is correct.</li>
                     <li><ph keyref="RTMP_STREAM_PUBLISH_REASON_NOT_BROADCASTER"/>(11): The user role is not host, so the user cannot use the Media Push function. Check your application code logic.</li>
-                    <li><ph keyref="RTMP_STREAM_PUBLISH_REASON_TRANSCODING_NO_MIX_STREAM"/>(13)：非转码推流情况下，调用了 <xref keyref="updateRtmpTranscoding"/> 更新转码属性。 Check your application code logic.</li>
+                    <li><ph keyref="RTMP_STREAM_PUBLISH_REASON_TRANSCODING_NO_MIX_STREAM"/>(13): The <xref keyref="updateRtmpTranscoding"/> method is called to update the transcoding configuration in a scenario where there is Media Push without transcoding. Check your application code logic.</li>
                     <li><ph keyref="RTMP_STREAM_PUBLISH_REASON_NET_DOWN"/>(14): Errors occurred in the host's network.</li>
                     <li><ph keyref="RTMP_STREAM_PUBLISH_REASON_INVALID_PRIVILEGE"/><ph>(16): Your project does not have permission to use Media Push service. </ph><ph props="hide">Refer to <xref keyref="guide-cdn-streaming">Media Push</xref> to enable the Media Push permission.</ph></li>
                     <li><ph keyref="RTMP_STREAM_UNPUBLISH_REASON_OK"/>(100): The Media Push has been stopped normally. After you call <xref keyref="stopRtmpStream"/> to stop the Media Push, the SDK returns this value.</li>
diff --git a/en-US/dita/RTC-NG/API/callback_ivideoframeobserver_getmirrorapplied.dita b/en-US/dita/RTC-NG/API/callback_ivideoframeobserver_getmirrorapplied.dita
index 89438d81db7..bb42c41a609 100644
--- a/en-US/dita/RTC-NG/API/callback_ivideoframeobserver_getmirrorapplied.dita
+++ b/en-US/dita/RTC-NG/API/callback_ivideoframeobserver_getmirrorapplied.dita
@@ -27,10 +27,10 @@
             <p>If the video data you want to obtain is a mirror image of the original video, you need to register this callback when calling <xref keyref="registerVideoFrameObserver" />. After you successfully register the video frame observer, the SDK triggers this callback each time it receives a video frame. You need to set whether or not to mirror the video frame in the return value of this callback.</p>
             <note type="attention">
                 <ul>
-                    <li props="android cpp unreal bp">在 Android 平台上，该回调支持的视频数据格式有：I420、RGBA 和 Texture。</li>
-                    <li props="cpp unreal bp">在 Windows 平台上，该回调支持的视频数据格式有：I420、RGBA 和 TextureBuffer。</li>
-                    <li props="ios cpp unreal bp">在 iOS 平台上，该回调支持的视频数据格式有：I420、RGBA 和 CVPixelBuffer。</li>
-                    <li props="mac cpp unreal bp">在 macOS 平台上，该回调支持的视频数据格式有：I420 和 RGBA。</li>
+                    <li props="android cpp unreal bp">On the Android platform, the supported video data formats for this callback are: I420, RGBA, and Texture.</li>
+                    <li props="cpp unreal bp">On the Windows platform, the supported video data formats for this callback are: I420, RGBA, and TextureBuffer.</li>
+                    <li props="ios cpp unreal bp">On the iOS platform, the supported video data formats for this callback are: I420, RGBA, and CVPixelBuffer.</li>
+                    <li props="mac cpp unreal bp">On the macOS platform, the supported video data formats for this callback are: I420 and RGBA.</li>
                     <li>Both this method and the <xref keyref="setVideoEncoderConfiguration"/> method support setting the mirroring effect. Agora recommends that you only choose one method to set it up. Using both methods at the same time causes the mirroring effect to overlap, and the mirroring settings fail.</li>
                 </ul>
             </note> </section>
diff --git a/en-US/dita/RTC-NG/API/callback_ivideoframeobserver_getrotationapplied.dita b/en-US/dita/RTC-NG/API/callback_ivideoframeobserver_getrotationapplied.dita
index 17d8d4dc748..7accb677bc1 100644
--- a/en-US/dita/RTC-NG/API/callback_ivideoframeobserver_getrotationapplied.dita
+++ b/en-US/dita/RTC-NG/API/callback_ivideoframeobserver_getrotationapplied.dita
@@ -28,10 +28,10 @@
             <p props="ios mac">If the video has been rotated according to <parmname>rotation</parmname> in <xref keyref="VideoFrame" /> on the capture device, you do not need to call this method to set the video rotation.</p>
             <note type="attention" id="note1">
                 <ul>
-                    <li props="android cpp unreal bp">在 Android 平台上，该回调支持的视频数据格式有：I420、RGBA 和 Texture。</li>
-                    <li props="cpp unreal bp">在 Windows 平台上，该回调支持的视频数据格式有：I420、RGBA 和 TextureBuffer。</li>
-                    <li props="ios cpp unreal bp">在 iOS 平台上，该回调支持的视频数据格式有：I420、RGBA 和 CVPixelBuffer。</li>
-                    <li props="mac cpp unreal bp">在 macOS 平台上，该回调支持的视频数据格式有：I420 和 RGBA。</li>
+                    <li props="android cpp unreal bp">On the Android platform, the supported video data formats for this callback are: I420, RGBA, and Texture.</li>
+                    <li props="cpp unreal bp">On the Windows platform, the supported video data formats for this callback are: I420, RGBA, and TextureBuffer.</li>
+                    <li props="ios cpp unreal bp">On the iOS platform, the supported video data formats for this callback are: I420, RGBA, and CVPixelBuffer.</li>
+                    <li props="mac cpp unreal bp">On the macOS platform, the supported video data formats for this callback are: I420 and RGBA.</li>
                 </ul>
             </note> </section>
         <section id="return_values">
diff --git a/en-US/dita/RTC-NG/API/class_channelmediaoptions.dita b/en-US/dita/RTC-NG/API/class_channelmediaoptions.dita
index db3d3946ff3..2490141ca87 100644
--- a/en-US/dita/RTC-NG/API/class_channelmediaoptions.dita
+++ b/en-US/dita/RTC-NG/API/class_channelmediaoptions.dita
@@ -1576,7 +1576,7 @@ public:
             </plentry>
             <plentry props="native unreal flutter unity cs electron rn">
                 <pt>publishCustomAudioTrackId</pt>
-                <pd>待发布的自定义音频轨道的 ID，默认值为 0。 你可以通过 <xref keyref="createCustomAudioTrack"/> 方法来获取自定义音频轨道 ID。</pd>
+                <pd>The ID of the custom audio track to be published. The default value is 0. You can obtain the custom audio track ID through the <xref keyref="createCustomAudioTrack"/> method.</pd>
             </plentry>
             <plentry props="native unreal flutter unity cs electron rn">
                 <pt>publishCustomVideoTrack</pt>
@@ -1713,7 +1713,7 @@ public:
                     <li><codeph><ph keyref="true"/></codeph>: The audio stream is filtered. If the audio stream filter is not enabled, this setting does not takes effect.</li>
                     <li><codeph><ph keyref="false"/></codeph>: The audio stream is not filtered.</li>
                     </ul>
-                    <note type="attention">如需启用该功能，请<xref keyref="mailto-link"/>。</note></pd>
+                    <note type="attention">If you need to enable this function, contact <xref keyref="mailto-link"/>.</note></pd>
             </plentry>
             </parml> </section>
     </refbody>
diff --git a/en-US/dita/RTC-NG/API/class_lastmileproberesult.dita b/en-US/dita/RTC-NG/API/class_lastmileproberesult.dita
index c206aa61300..486968d3a2d 100644
--- a/en-US/dita/RTC-NG/API/class_lastmileproberesult.dita
+++ b/en-US/dita/RTC-NG/API/class_lastmileproberesult.dita
@@ -144,10 +144,10 @@ public:
                 <pt>state</pt>
                 <pd>
                     <p props="ios mac cpp unreal bp unity electron rn flutter cs">The status of the last-mile network tests. See <xref keyref="LASTMILE_PROBE_RESULT_STATE" />.</p>
-                    <p props="android hmos">The status of the last-mile network tests, which includes:<ul>
+                    <p props="android hmos">The status of the last-mile network test, which includes:<ul>
                     <li><ph keyref="LASTMILE_PROBE_RESULT_COMPLETE" />(1): The last-mile network probe test is complete.</li>
-                    <li><ph keyref="LASTMILE_PROBE_RESULT_INCOMPLETE_NO_BWE" />(2): The last-mile network probe test is incomplete because the bandwidth estimation is not available due to limited test resources. Probably due to limited test resources.</li>
-                    <li><ph keyref="LASTMILE_PROBE_RESULT_UNAVAILABLE" />(3): The last-mile network probe test is not carried out. Probably due to poor network conditions.</li>
+                    <li><ph keyref="LASTMILE_PROBE_RESULT_INCOMPLETE_NO_BWE" />(2): The last-mile network probe test is incomplete because bandwidth prediction is not conducted. One possible reason is that testing resources were temporarily limited.</li>
+                    <li><ph keyref="LASTMILE_PROBE_RESULT_UNAVAILABLE" />(3): The last-mile network probe test is not conducted. Probably due to poor network conditions.</li>
                     </ul> </p>
                 </pd>
             </plentry>
diff --git a/en-US/dita/RTC-NG/API/class_remoteaudiostats.dita b/en-US/dita/RTC-NG/API/class_remoteaudiostats.dita
index 1af4f1907c2..0a5826a74c4 100644
--- a/en-US/dita/RTC-NG/API/class_remoteaudiostats.dita
+++ b/en-US/dita/RTC-NG/API/class_remoteaudiostats.dita
@@ -433,7 +433,7 @@ class RemoteAudioStats {
                     <li><ph keyref="QUALITY_BAD" />(4): Users cannot communicate smoothly.</li>
                     <li><ph keyref="QUALITY_VBAD" />(5): The quality is so bad that users can barely communicate.</li>
                     <li><ph keyref="QUALITY_DOWN" />(6): The network is down, and users cannot communicate at all.</li>
-                    <li><ph keyref="QUALITY_DETECTING" />(8)：网络质量检测进行中。</li>
+                    <li><ph keyref="QUALITY_DETECTING" />(8): The last-mile probe test is in progress.</li>
                     </ul> </p>
                 </pd>
             </plentry>
diff --git a/en-US/dita/RTC-NG/API/class_videoencoderconfiguration.dita b/en-US/dita/RTC-NG/API/class_videoencoderconfiguration.dita
index a6ff97fdd1a..6111f0a70cf 100644
--- a/en-US/dita/RTC-NG/API/class_videoencoderconfiguration.dita
+++ b/en-US/dita/RTC-NG/API/class_videoencoderconfiguration.dita
@@ -570,7 +570,7 @@ public:
             <plentry>
                 <pt>dimensions</pt>
                 <pd>
-                    <p props="cpp hmos unreal bp unity electron rn flutter cs">视频编码的分辨率 (px)，详见 <xref keyref="VideoDimensions"/>。 This parameter measures the video encoding quality in the format of length × width. The default value is 960 × 540. You can set a custom value.</p>
+                    <p props="cpp hmos unreal bp unity electron rn flutter cs">The dimensions of the encoded video (px). See <xref keyref="VideoDimensions"/>. This parameter measures the video encoding quality in the format of length × width. The default value is 960 × 540. You can set a custom value.</p>
                     <p props="android ios mac">Users can set the resolution by themselves, or directly select the desired resolution from the following list:<ul>
                     <li><ph keyref="VD_120x120"/>: The video resolution is 120 × 120.</li>
                     <li><ph keyref="VD_160x120"/>: The video resolution is 160 × 120.</li>
diff --git a/en-US/dita/RTC-NG/API/enum_errorcodetype.dita b/en-US/dita/RTC-NG/API/enum_errorcodetype.dita
index a582c70d900..26709bab79c 100644
--- a/en-US/dita/RTC-NG/API/enum_errorcodetype.dita
+++ b/en-US/dita/RTC-NG/API/enum_errorcodetype.dita
@@ -42,7 +42,7 @@
             <plentry>
                 <pt><ph keyref="ERR_REFUSED"/></pt>
                 <pd>5: The request is rejected. Possible reasons include the following:<ul>
-                    <li> <xref keyref="IRtcEngine"/> 初始化失败。 Reinitialize the <apiname keyref="IRtcEngine"/>.</li>
+                    <li>The <xref keyref="IRtcEngine"/> initialization fails. Reinitialize the <apiname keyref="IRtcEngine"/>.</li>
                     <li>The channel name is set as the empty string <codeph>""</codeph> when joining the channel. Reset the channel name.</li>
                     <li>When the <xref keyref="joinChannelEx"/> method is called to join multiple channels, the specified channel name is already in use. Reset the channel name.</li>
                     </ul></pd>
diff --git a/en-US/dita/RTC-NG/API/enum_localvideostreamreason.dita b/en-US/dita/RTC-NG/API/enum_localvideostreamreason.dita
index 6ab0c8ba0b5..8fde8a39f99 100644
--- a/en-US/dita/RTC-NG/API/enum_localvideostreamreason.dita
+++ b/en-US/dita/RTC-NG/API/enum_localvideostreamreason.dita
@@ -132,15 +132,15 @@
                 </plentry>
                 <plentry props="hmos">
                     <pt><ph keyref="SCREEN_CAPTURE_STOPPED_BY_USER"/></pt>
-                    <pd>31：用户已停止屏幕共享。</pd>
+                    <pd>31: User has stopped screen sharing.</pd>
                 </plentry>
                 <plentry props="hmos">
                     <pt><ph keyref="SCREEN_CAPTURE_INTERRUPTED_BY_OTHER"/></pt>
-                    <pd>32：屏幕共享进程已被其他屏幕共享进程打断。</pd>
+                    <pd>32: The screen sharing process has been interrupted by another screen sharing process.</pd>
                 </plentry>
                 <plentry props="hmos">
                     <pt><ph keyref="SCREEN_CAPTURE_STOPPED_BY_CALL"/></pt>
-                    <pd>33：屏幕共享进程被系统来电打断。</pd>
+                    <pd>33: The screen sharing process was interrupted by a system call.</pd>
                 </plentry>
                 <plentry props="cpp unreal bp unity electron flutter cs">
                     <pt><ph keyref="LOCAL_VIDEO_STREAM_REASON_DEVICE_SYSTEM_PRESSURE"/></pt>
diff --git a/en-US/dita/RTC-NG/API/enum_qualitytype.dita b/en-US/dita/RTC-NG/API/enum_qualitytype.dita
index 573ce0b60e8..ee4f463a9e1 100644
--- a/en-US/dita/RTC-NG/API/enum_qualitytype.dita
+++ b/en-US/dita/RTC-NG/API/enum_qualitytype.dita
@@ -41,7 +41,7 @@
                </plentry>
                <plentry props="android cpp apple framework">
                     <pt><ph keyref="QUALITY_DETECTING"/></pt>
-                    <pd>8: 网络质量检测进行中。</pd>
+                    <pd>8: The last-mile network probe test is in progress.</pd>
                </plentry>
                </parml> </section>
      </refbody>