Nonreturn valve
[机] 止回阀
🧩 词语组成解析
不返回的, 止逆的, 止回的
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
Will you come over to help me with the tough job?
您能否来帮助我做这项艰苦的工作？
I ate vegetable soup for lunch yesterday.
我昨天晚饭吃的是蔬菜汤。
Next what? I'm sorry I don't quite follow you.
下一个什么？对不起，我没有完全听懂你的话。