Valve clack
[化] 阀瓣
🧩 词语组成解析
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;
clack
[[klæk]]
v. 噼啪响\\nn. 噼啪响
🗣️ 情景例句
Britain is behind Japan in developing modern technology.
在发展现在技术方面英国落后于日本。
We can quote you a gross price, inclusive of delivery charges, of 38.50 pounds per 100 items. These goods are exempt form VAT.
我们可以给你方报毛价，每一百件38。5英镑含运费。这些货物免收增值税。
Well, have you forgotten already?
嗯，你已经忘了吗？