Valve amplifier
[计] 电子管放大器
🧩 词语组成解析
valve
[vælv]
n. 阀;真空管;（管乐器的）活栓;（心脏的）瓣膜;
vt. 装阀于;以活门调节;
🗣️ 情景例句
I think I have fallen in love with someone.
我恋爱了。
You'd better give us a rough idea of your price.
您最好给我们一个粗略的价格。
Don't talk to me like that!
别那样和我说话！