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
I have the whole summer ...
我有一整个暑假可以利用……
It was so beautiful it took my breath away.
它美得使我目瞪口呆。
Look at that now, sir! Perfect the whole thing!
您瞧吧，先生，十全十美，全都合适！