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
This all boils down to what?
煮到最后剩下……意味着， 表明是
They say there's a traffic accident in front of us.
据说在我们前方发生了车祸。
Merry Christmas and best wishes for the New Year!
圣诞快乐，并致以新年的良好祝愿！