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
Yes. I'm checking out now, and want to get a taxi to the cinema.
我现在要退房，需要一部出租车到电影院。
I was born on November first,nineteen thirty-five.
我是一九三五年十一月一号。
I've been working at a meat factory for about two months now.
大约两个月来，我一直在一家肉厂干活。