Clack valve
止回阀
🧩 词语组成解析
clack
[[klæk]]
v. 噼啪响\\nn. 噼啪响
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
OK. Is that all?
好的。就这样完了吗？
No safe wading in an unknown water.
未知水深浅，涉水有危险。
I hope this will lead to further business between us.
我希望这次交易将使我们之间的贸易得到进一步发展。