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
The plight of starving people is too awful to think about.
饥民的苦境糟得不可想象。
The mills of God grind slowly but sure.
天网恢恢，疏而不漏。
The shop near our school
我们学校附近的商店