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
It is not as difficult as it looks.
这并不像看起来那丢难。
Why don't you bring Sarah and Kathy with you?
你能把莎拉和凯茜一起带来吗？
Yes, please.
好的，请放一些。