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
Your boyfriend is a bag of bones.
你的男朋友瘦得皮包骨头。
Please be serious for a minute, this is very important.
请严肃点，这件事很重要。
What is more, they will not have to rely solely on the written word.
而且，也不必完全依赖文字材料。