An " icon" (icon) in a computer operating system is a small symbol that represents some action or, in many cases, the program that you want to use.

计算机操作系统中的“图标” （icon）是一个小符号， 代表一些动作， 或者在很多情况下代表你要使用的程序。

In the 22 years since he dropped out of Harvard to conquer the world of computer operating systems and application software, he has been deadly for competitors trying to claw their way into the market.

自从盖茨从哈佛退学转去攻克计算机操作系统和应用软件，22年来他一直是那些企图挤进这个市场的竞争对手的死敌。