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
So it's just you and me, Susan.
所以 这里只有你和我， Susan。
Would it be too much to ask you to respond to my question by tomorrow?
可以请你在明天以前回复吗？
It could only get over the mountains if it rose to 10,000 feet.
只有在飞至10，000英尺的高度时，它才能飞过这些山头。