Valve cone
[化] 阀锥体
🧩 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;
cone
[kəun]
n. 圆锥体;球果;圆锥形东西;
vt. 使成锥形;
🗣️ 情景例句
You shouldn't have.
不该这样破费的。
Just what I thought.
果然不出我所料。
The only thing to do was ask them to come half an hour later than the other guests.
唯一的办法就是请他们比别的客人晚来半小时。