Non-return valve
[化] 止逆阀; 单向阀
🏥 医学释义
单向活门，单向阀
🧩 词语组成解析
non
[[nɔn]]
adv. 非, 不
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
But how do you plan to do that?
但你预备怎么做呢？
Who put you in charge?
谁说让你做主了啊？
Mum, I don't feel very well.
妈妈，我感到不舒服。