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
Well, children usually resemble their parents.
嗯， 孩子总是像父母的。
By the way,who are you waiting for?
顺便说,你正在等谁？
'Will you be staying in England?' I asked.
“您就呆在英国吗？”我问。