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
I have the key, but it doesn't work.
我有钥匙， 但是开不开箱子。
A friend in court is better than a penny in purse.
曩中有钱，不如朝中有友。
Look at the snow! It's quite light.
瞧这雪！这么小。