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
You and Dad are like ships that pass in the night.
你和爸爸就像在夜晚交错而过的船一样。
A scientist has come up with a good idea. That's it!
科学家想起了一个好创意。就是这个！
They stretch out their legs like flying squirrels.
它们伸展四肢，就像飞行中的松鼠一样。