diff --git a/app/src/main/res/layout/dialog_read_aloud.xml b/app/src/main/res/layout/dialog_read_aloud.xml
index c1816be96..753e36c8e 100644
--- a/app/src/main/res/layout/dialog_read_aloud.xml
+++ b/app/src/main/res/layout/dialog_read_aloud.xml
@@ -37,7 +37,7 @@
             android:layout_marginLeft="8dp"
             android:layout_marginRight="8dp"
             android:background="?android:attr/selectableItemBackgroundBorderless"
-            android:contentDescription="上一句"
+            android:contentDescription="@string/prev_sentence"
             android:src="@drawable/ic_skip_previous"
             android:tint="@color/tv_text_default" />
 
@@ -48,7 +48,7 @@
             android:layout_marginLeft="8dp"
             android:layout_marginRight="8dp"
             android:background="?android:attr/selectableItemBackgroundBorderless"
-            android:contentDescription="播放/暂停"
+            android:contentDescription="@string/audio_play"
             android:src="@drawable/ic_play_24dp"
             android:tint="@color/tv_text_default" />
 
@@ -70,7 +70,7 @@
             android:layout_marginLeft="8dp"
             android:layout_marginRight="8dp"
             android:background="?android:attr/selectableItemBackgroundBorderless"
-            android:contentDescription="下一句"
+            android:contentDescription="@string/next_sentence"
             android:src="@drawable/ic_skip_next"
             android:tint="@color/tv_text_default" />
 
@@ -86,7 +86,7 @@
             android:layout_marginLeft="8dp"
             android:layout_marginRight="8dp"
             android:background="?android:attr/selectableItemBackgroundBorderless"
-            android:contentDescription="其它设置"
+            android:contentDescription="@string/other_setting"
             android:src="@drawable/ic_settings"
             android:tint="@color/tv_text_default" />
 
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 074829f0a..0a6fc7d3f 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -570,5 +570,7 @@
     <string name="next_page_key">下一页按键</string>
     <string name="after_add_bookshelf">先将书籍加入书架</string>
     <string name="no_group">未分组</string>
+    <string name="prev_sentence">上一句</string>
+    <string name="next_sentence">下一句</string>
 
 </resources>