通用串行总线USB已成为PC的标准接口，它可以实现高速的数据传递。

USB has been a PC standard interface which can transfer data in high speed.

youdao

通用串行总线USB已成为PC的标准接口，它可以实现高速的数据传递。

USB has been a PC standard interface which can transfer data in high speed.

youdao