Four electrode valve
[电] 四极阀
🧩 词语组成解析
four
[fɔr]
num. 四;四个;第四;
n. 四的;四个一组之物;
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
You were right, Robbie.
你做对了， Robbie。
The restaurant doesn't open until seven forty-five.
饭馆要到七点四十五分才开门。
Who's Lucy?
谁是露茜？