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
What did he say? Did you tell him about me?
他怎么说？ 跟他谈到我吗？
It's two blocks straight ahead.
笔直向前走2街区。
Most of the parents will not be able to pay much money.
多数家长是付不起很多钱的。