Vacuum valve
[化] 真空阀
🧩 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;
🗣️ 情景例句
I'm listening.
那就说吧。
I remember the girl whose father goes there every summer.
我记得那个女孩的父亲每年夏天都去那里。
Some of them were as big as marbles.
有的钻石像玻璃球那么大。