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
Follow the recipe properly or it will never come out right.
照着菜谱说的做，不然的话，味道就不对。
Keep your body clean!
身体要常保持清洁。
Because of this, they were known as 'prizefighters'.
因此，他们被称作“职业拳击手”。