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
Too bad kids can't vote.
可惜小孩不能投票。
What can I say?
我能说些什么呢?
Well done! Does that mean that your team is top of the league?
干的好。就是说你们球队是联赛冠军啦？