handgun 专八

The government has imposed a ban on the sale of handguns.

政府下令禁止出售手枪。

They began to tussle with each other for the handgun.

他互相扭打起来,抢夺那支手枪。

The Capacitor turns the signal in antiphrasis, the only thing whole. The Earphones do such long ago. The Shot of the handgun not audible.

什么是积极保护？基本原理是：发射和接收信号---一个放大器，一个晶体管---一个可变电阻的电容器---一个扬器或射极的输出装置。