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
May I have headphones for the in-flight movie?
我可以要一副耳机来欣赏飞机上的电影吗？
Cheerful company shortens the miles.
旅有好旅伴，不觉行程远。
We must conclude from the work of those who have studied the origin of life,
我们必须从那些研究生命起源的人的工作总结出：