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
they insisted that I stay.
他们坚持要我留下来。
Many drops makes a shower.
积少成多。
My wish is to be a first-class interpreter
我的愿望是作一流的口译。