zh-CN: translate android/interoperability/cpp.md (#1406)

Part of #324

po/zh-CN.po

@@ -12844,38 +12844,42 @@ msgid ""
 "The [CXX crate](https://cxx.rs/) makes it possible to do safe "
 "interoperability between Rust and C++."
 msgstr ""
+"[CXX crate](https://cxx.rs/) 使得在 Rust 和 C++ 之间进行安全的互操作成为可"
+"能。"
 
 #: src/android/interoperability/cpp.md:6
 msgid "The overall approach looks like this:"
-msgstr ""
+msgstr "整体的方法如下："
 
 #: src/android/interoperability/cpp.md:10
 msgid ""
 "See the [CXX tutorial](https://cxx.rs/tutorial.html) for an full example of "
 "using this."
 msgstr ""
+"请参阅 [CXX tutorial](https://cxx.rs/tutorial.html) ，了解有关使用的完整示"
+"例。"
 
 #: src/android/interoperability/cpp.md:14
 msgid ""
 "At this point, the instructor should switch to the [CXX tutorial](https://"
 "cxx.rs/tutorial.html)."
-msgstr ""
+msgstr "此时，讲师应该该切换到 [CXX tutorial](https://cxx.rs/tutorial.html)。"
 
 #: src/android/interoperability/cpp.md:16
 msgid "Walk the students through the tutorial step by step."
-msgstr ""
+msgstr "逐步引导学生按照教程一步步操作。"
 
 #: src/android/interoperability/cpp.md:18
 msgid ""
 "Highlight how CXX presents a clean interface without unsafe code in _both "
 "languages_."
-msgstr ""
+msgstr "突出展示 CXX 在 _两种语言_ 中都提供了一个没有不安全代码的干净接口。"
 
 #: src/android/interoperability/cpp.md:20
 msgid ""
 "Show the correspondence between [Rust and C++ types](https://cxx.rs/bindings."
 "html):"
-msgstr ""
+msgstr "展示 [Rust 和 C++类型](https://cxx.rs/bindings.html) 之间的对应关系："
 
 #: src/android/interoperability/cpp.md:22
 msgid ""
@@ -12884,12 +12888,17 @@ msgid ""
 "types, `rust::String` in C++ can be easily constructed from a C++ `std::"
 "string`, making it very ergonomic to use."
 msgstr ""
+"解释 Rust 的 `String` 无法直接映射到 C++ 的 `std::string `（后者不符合UTF-8不"
+"变性）。展示尽管类型不同，但在 C++ 中，可以很容易地从 C++ 的 `std::string` 构"
+"造 `rust::String` ，使得使用起来非常方便。"
 
 #: src/android/interoperability/cpp.md:28
 msgid ""
 "Explain that a Rust function returning `Result<T, E>` becomes a function "
 "which throws a `E` exception in C++ (and vice versa)."
 msgstr ""
+"解释 Rust 中返回 `Result<T, E> ` 的函数在 C++ 中会变成抛出 `E` 异常的函数（反"
+"之亦然）。"
 
 #: src/android/interoperability/java.md:1
 msgid "Interoperability with Java"