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
Shall I tell him you called?
我告诉他你来过电话，好吗？
Have a heart!
行行好嘛！
When they had gone, the driver of the car came towards him.
他们走后，汽车司机向他走来，