| 单词 | tooth |
| 释义 | tooth¹ 1.【解剖】(part of body)牙；齿 If a tooth feels very loose, your dentist may recommend that it be taken out.如果某颗牙松动得厉害, 牙医会建议把它拔掉。 to have a tooth out拔牙 to brush your teeth刷牙 2.【动】(invertebrate structure)(无脊椎动物的)齿 3.(toothlike thing)(梳子、锯子等的)齿状物 4.【植】(leaf indentation)(叶缘、花瓣边缘等的)齿 5.【机】(part of cog, gear, etc)(齿轮、链轮、齿条等的)齿 6.(taste)口味；胃口 7.to be long in the tooth<非正式>年老, 年纪大(原指马随年龄增长牙龈退化显得牙齿长) Aren't I a bit long in the tooth to start being an undergraduate?我现在才开始上大学不是有点太老了吗？ See alsosweet tooth 8.to fight sth tooth and nail全力以赴争取…；竭尽全力阻止… He fought tooth and nail to keep his job.他竭力保住自己的工作。 tooth²🄰 vt. 给···装齿 🄱 vi. 【机】(两个齿轮)啮合, 咬合 |
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