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
May I speak with Mr. Chen, please?
可以请陈先生听电话吗？
I won't embarrass myself by calling Mr. Lee by another's name.
我不想因为张冠李戴使自己难堪。
There are rare instances when justice almost ceases to be an abstract concept.
在个别情况下，正义不再是一种抽象概念。