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
Oh, she's very pretty.
噢 她很漂亮。
What do you expect it to go for?
你们的试销情况如何？
We were very much surprised when the snake charmer suddenly began to play jazz and modern pop songs.
当耍蛇人突然又吹奏起爵士乐和现代流行乐曲时，我们感到非常惊奇。