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
I have a complaint I would like to make.
我有些怨言。
Packing has a close bearing on sales.
包装直接关系到产品的销售。
Eleven. And we play the game with a ball like this. Is the game popular in the USA?
11名。而且我们用这样的球比赛。这种比赛在美国受欢迎吗？