zh-Hans: Translation for src/welcome-day-1/what-is-rust.md (#693)

zh-Hans: translate src/welcome-day-1/what-is-rust.md

po/zh-Hans.po

@@ -58,7 +58,7 @@ msgstr ""
 
 #: src/SUMMARY.md:19
 msgid "What is Rust?"
-msgstr ""
+msgstr "什么是 Rust？"
 
 #: src/SUMMARY.md:20
 msgid "Hello World!"
@@ -1963,12 +1963,13 @@ msgstr ""
 
 #: src/welcome-day-1/what-is-rust.md:1
 msgid "# What is Rust?"
-msgstr ""
+msgstr "# 什么是 Rust ？"
 
 #: src/welcome-day-1/what-is-rust.md:3
 msgid ""
 "Rust is a new programming language which had its [1.0 release in 2015][1]:"
 msgstr ""
+"Rust 是一种新的编程语言，它的[1.0 版本于 2015 年发布][1]："
 
 #: src/welcome-day-1/what-is-rust.md:5
 msgid ""
@@ -1986,10 +1987,22 @@ msgid ""
 "  * desktops,\n"
 "  * servers."
 msgstr ""
+"* Rust 是一种静态编译语言，其功能定位与 C++ 相似\n"
+"  * `rustc` 使用 LLVM 作为它的后端。\n"
+"* Rust 支持多种[平台和架构](https://doc.rust-lang.org/nightly/rustc/platform-support."
+"html):\n"
+"  * x86, ARM, WebAssembly, ...\n"
+"  * Linux, Mac, Windows, ...\n"
+"* Rust 被广泛用于各种设备中：\n"
+"  * 固件和引导程序，\n"
+"  * 智能显示器，\n"
+"  * 手机，\n"
+"  * 桌面，\n"
+"  * 服务器。"
 
 #: src/welcome-day-1/what-is-rust.md:21
 msgid "Rust fits in the same area as C++:"
-msgstr ""
+msgstr "Rust 和 C++ 适用于类似的场景："
 
 #: src/welcome-day-1/what-is-rust.md:23
 msgid ""
@@ -1999,6 +2012,11 @@ msgid ""
 "* Has no runtime or garbage collection.\n"
 "* Focuses on reliability and safety without sacrificing performance."
 msgstr ""
+"* 极高的灵活性。\n"
+"* 高度的控制能力。\n"
+"* 能够在资源极度有限的设备（如手机）上运行。\n"
+"* 没有运行时和垃圾收集。\n"
+"* 关注程序可靠性和安全性，而不会牺牲任何性能。"
 
 #: src/hello-world.md:1
 msgid "# Hello World!"