Merge branch 'docs/update_cn_for_api-conventions' into 'master'

Docs: Update CN for /api-reference/api-conventions.rst

Closes DOC-5172

See merge request espressif/esp-idf!24017

docs/en/api-reference/api-conventions.rst

@@ -55,7 +55,7 @@ Most ESP-IDF examples use C99 `designated initializers`_ for structure initializ
         /* Correct, fields .arg and .name are zero-initialized */
     };
 
-The C++ language supports designated initializers syntax, too, but the initializers must be in the order of declaration. When using ESP-IDF APIs in C++ code, you may consider using the following pattern::
+The C++ language supports designated initializer syntax, too, but the initializers must be in the order of declaration. When using ESP-IDF APIs in C++ code, you may consider using the following pattern::
 
     /* Correct, fields .dispatch_method, .name and .skip_unhandled_events are zero-initialized */
     const esp_timer_create_args_t my_timer_args = {
@@ -69,7 +69,7 @@ The C++ language supports designated initializers syntax, too, but the initializ
     //    .callback = &my_timer_callback,
     //};
 
-For more information on designated initializers, see :ref:`Designated initializers <cplusplus_designated_initializers>`. Note that C++ language versions older than C++20 (not the default in the current version of ESP-IDF) do not support designated initializers. If you have to compile code with an older C++ standard than C++20, you may use GCC extensions to produce the following pattern::
+For more information on designated initializers, see :ref:`cplusplus_designated_initializers`. Note that C++ language versions older than C++20, which are not the default in the current version of ESP-IDF, do not support designated initializers. If you have to compile code with an older C++ standard than C++20, you may use GCC extensions to produce the following pattern::
 
     esp_timer_create_args_t my_timer_args = {};
     /* All the fields are zero-initialized */

docs/zh_CN/api-reference/api-conventions.rst

@@ -55,10 +55,24 @@ ESP-IDF 由多个组件组成，组件中包含专门为 ESP 芯片编写的代
         /* 正确，字段 .arg 和 .name 已初始化为零 */
     };
 
-C++ 语言在 C++20 之前不支持指定初始化器语法，但是 GCC 编译器可以作为扩展实现部分指定初始化器功能。在 C++ 代码中使用 ESP-IDF API 时，可以考虑使用以下模式::
+C++ 语言同样支持指定初始化器语法，但初始化器必须遵循声明顺序。在 C++ 代码中使用 ESP-IDF API 时，可以考虑使用以下模式::
+
+    /* 正确：.dispatch_method、.name 以及 .skip_unhandled_events 初始化为零 */
+    const esp_timer_create_args_t my_timer_args = {
+        .callback = &my_timer_callback,
+        .arg = &my_arg,
+    };
+
+    ///* 错误：esp_timer_create_args_t 中，.arg 在 .callback 之后声明 */
+    //const esp_timer_create_args_t my_timer_args = {
+    //    .arg = &my_arg,
+    //    .callback = &my_timer_callback,
+    //};
+
+了解指定初始化器的更多信息，请参见 :ref:`cplusplus_designated_initializers`。注意，C++20 之前的 C++ 语言不是当前 ESP-IDF 的默认版本，不支持指定初始化器。如需使用 C++20 之前的 C++ 标准编译代码，可以借助 GCC 扩展生成以下模式::
 
     esp_timer_create_args_t my_timer_args = {};
-    /* 所有字段已初始化为零 */
+    /* 所有字段初始化为零 */
     my_timer_args.callback = &my_timer_callback;
 
 默认初始化器