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
I just want to tell you
我想告诉
All our work was in vain.
我们白干了一场。
I'm good at freestyle and breast stroke.
我擅长自由泳和蛙泳。