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
What's your name?
你呢？
Have you milked the cows?
你已经挤过奶了吗？
Keep your temper under control.
不要发脾气。