docs(README-zh_CN.md): enrich translation (#179)

Author: caozhong1996

packages/babel-plugin-jsx/README-zh_CN.md

@@ -114,7 +114,7 @@ const App = () => (
 const App = () => <input type="email" />;
 ```
 
-with a dynamic binding:
+动态绑定:
 
 ```jsx
 const placeholderText = 'email';