Valve tube
[电] 阀管
🧩 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 got it.
我猜对了。
The cow that's first up gets the first of the dew.
早起母牛先得露。
Thank you. You watched the match, didn't you?
谢谢你。你看了比赛，对吧？