Clappet valve
[建] 止回阀
🧩 词语组成解析
[建] 止回阀
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
Oh, Somebody's at the door. I have to go.
哦，有人来了，我得去开门。
I shave, brush my teeth, and comb my hair.
我洗脸，刷牙，梳头。
Nobody has ever solved this problem.
没有人曾解决过这个问题。