它是一个支持pc机背面端口的标准，可以插进鼠标、键盘等外设。

它是一个支持pc机背面端口的标准，可以插进鼠标、键盘等外设。的英文翻译

基本释义

• It's a standard that supports a port on the back of your PC, where you plug in peripherals like your mouse and keyboard.