Which contains information about the source item and the 该事件处理程序接受一个类型为
2.
The set of inputs accepted by a program and the way the program interprets these inputs can and should be viewed as a language 程序接受的一组输入（及程序解释这些输入的方法）都可以而且应该视作一种语言。
3.
A specialized program known as a compiler takes the instructions written in the programming language and converts them to machine language 一种称为“编译器”的专用程序接受用编程语言编写的指令，并将这些指令转换为机器语言。
