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
Oh, thank you.
谢谢你。
To sink
沉下
The man went to great lengths to prove that the diamonds were real.
那人竭力想证明那钻石是真货。