Gatedamplifier
門(mén)信號(hào)放大器
??? 情景例句
His house was always neat.
他家經(jīng)常都是干凈的。
That's great!
真棒！
Before we had time to worry about what might happen, we were back on the plain again.
我們還未來(lái)得及擔(dān)心后果，車(chē)已重新開(kāi)上了平地。