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
Roast duck. There will be a slight delay for that.
烤鸭。那会稍微慢一点。
Is this toothpaste on sale today?
这支牙膏今天是削价出售的吗？
We have lunch in the middle of the day.
我们中午吃饭。