Flap valve
[化] 片状阀; 瓣阀
🧩 词语组成解析
flap
[flæp]
n. 扁平物;[航] 襟翼;拍打，拍打声;〈口〉不安，恐慌;
v. 上下或左右移动、摆动;轻拍;振翅而飞;
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 came home a little while ago.
我也是刚刚到家。
I plan to be here for over a year.
我计划在这里住一年以上。
However, size and strength are not the only important things about this bridge.
然而，这座桥重要特点不仅是它的规模与强度。