Protocone
[动]上原尖
🔁 扩展释义
【医】 原尖(上磨牙的近中颊尖)
🗣️ 情景例句
He is quick-witted.
他反应灵敏。
Since the contract is about to expire, shall we discuss a new one?
这个合同将到期，我们来谈谈新合同的事宜吧。
Last summer I spent days in the garden watching thousands of ants crawling up the trunk of my prize peach tree.
去年夏天，我花了好几天时间站在花园里观察成千只蚂蚁爬上我那棵心爱的桃树的树干。