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
Maybe we should hang out sometime.
我们什么时候可以一起出去散散心。
I worked as an intern in that firm last summer.
去年夏天我在那家商行实习。
We always make friends with each other again.
我们总是重新交朋友。