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
Yes. We're planning
是的。我们计划
Go for it!
加油！
He waited until the volcano became quiet and he was able to return two days later.
他等到火山平静下来，两天以后又返回去。