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
Oh! I just drop in on him for a chat.
哦，我只是顺便来和他聊聊天。
Time flies.
时光易逝。
His previous attempts had been unsuccessful.
他以前的尝试没有成功。