扬声器

Banana plug-compatible speaker terminals grace the amplifier outputs, facilitating the use of audiophile-quality speaker cables.

香蕉插头兼容的扬声终端宽限期，进利用高保真品质扬声电缆。

His cockpit speakers crackled. "There isn't a droid made that can outfly you, Master."

他座舱内的扬声发一阵噼啪声：“没有一个机人的飞行本领能得上您，师父。”

The loudspeakers blared the speech repeatedly.

扬声里反复声地播送那篇演讲。

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，一个晶体管---一个可变电阻的电容---一个扬声或射极的装置。