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
Was it serious?
病得很重吗？
Deeds, no words.
不要光说不练。
The experts were now fully convinced that the animal was a puma,
专家们如今已经完全肯定那只动物就是美洲狮，