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
Perhaps we could see the house this weekend.
也许这周末我们会去看看这栋房子。
Early start makes easy stages.
早开始是成功的保证。
What are you doing?
你在干什么？