Non-return flap valve
[化] 止回阀
🧩 词语组成解析
non
[[nɔn]]
adv. 非, 不
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
All you need is a little talent, and a lot of luck, and you too could become a celebrity.
你需要的就是一点点天才和多些运气，你也可能成为名人。
This offer is firm subject to your acceptance reaching us not later than December 15.
此报盘为实盘，但以我方在12月15日前收到你方答复为准。
She will be arriving this evening and intends to stay for a few days.
她将于今天傍晚到达，并准备住上几天。