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
It's so convenient.
一切都很方便
What's your family name?
你姓什么？
Gesticulating wildly, the man acted as if he found my offer outrageous, but he eventually reduced the price to $10.
那人激动地打着手势，仿佛我的出价使他不能容忍。但他终于把价钱降到了10英镑。