Clapper valve
瓣阀
🧩 词语组成解析
clapper
[['klæpə]]
n. 拍手者, 铃锤, 钟锤\\n[电] 铃锤
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'll believe it when I see it.
我觉得还是眼见为实。
I got there by plane.
我坐飞机去的。
One lady brought in a biscuit on a wheelbarrow.
一位女士用手推车运来一个饼干，