Valve tubes
[医] 真空整流管
🧩 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;
n. 管子, 导管；管状虫；伦敦地铁（tube的复数）
🗣️ 情景例句
Don't give me the change anymore.
不必给我找钱了。
I've heard so much about you.
久仰大名。
tell me that they have been expecting a splendid crop this year and harvesting has begun earlier than usual.
告诉我，他们一直期待着今年获得一个大丰收，收割工作比往年开始要早些。