Reversing valve
[化] 回动阀
🧩 词语组成解析
a. 回动的\\n[化] 换向
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
Well, we have an office in Mount Kisco.
好， 我们在Mount Kisco有个办事处。
When three know it, all know it.
三人知，天下晓。
He entered the cell and presented the letter to the aristocrat.
狱卒走进牢房，将信交给贵族。