单词：bytecode
字节码
bytecode的用法和样例：
例句
- The source code you write is compiled on the fly into the bytecode that is executed.您所编写的源代码是转换为执行的字节码时进行编译的。
- If your system executes strings multiple times, it is a major speedup to precompile to bytecode in this fashion.如果你的系统需要多次执行字符串，以这种方式预编译成字节码可以大大提高速度。