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
Yes, but Dr. Lee's schedule is full for today. How about 9:00 tonight?
可以，不过李医生今天的时间排满了。今晚9点好吗？
A good face is a letter of recommendation.
好的相貌就是一封推荐的介绍信。
He looked very well though he was rather thirsty, for he drank half a bottle of milk.
它看上去一切正常，只是口渴得很，喝了半瓶牛奶。