电晶体:由多层半导体物料如矽和锗组成的配件,用来扩大信号或作电路的开关.在数字电脑里,它的作用是一个开关。

• Transistor: A component made up of layers of semiconducting materials such as silicon and germanium. It is used to amplify a signal or open and close a circuit. In digital computers, it functions as an electronic switch.