1. Dentists advise their patients to brush and floss regularly to prevent their teeth from decaying.
   牙医建议他们的病人定期刷牙并用洁牙线剔牙，以防止蛀牙。
2. He suffered torments from his aching teeth.
   他牙痛得难受。
3. He picked his teeth with a toothpick.
   他用牙签剔牙。
4. The man smiled, revealing perfect white teeth.
   那个男人微笑着 ，露出雪白整齐的牙齿。
5. I gave the loose tooth a tug.
   我猛然拔下松动的牙齿。
6. She clenched her teeth and refused to move.
   她咬紧牙关不肯挪动一步。
7. Parliament must grit its teeth and take action.
   议会必须痛下决心，采取行动。
8. There's a cavity in the boy's tooth.
   这个男孩的牙上有一个洞。
9. She clenched her teeth when she was operated on.
   在被动手术时她咬紧了牙关。
10. The bandit bared his teeth in an insolent smile.
    那匪徒龇牙咧嘴地狞笑。
11. My brother is fretful because he is cutting his teeth.
    我的小弟弟直发脾气, 因为正在长牙。
12. I went to my dentist to have a tooth taken out.
    我去找牙医拔了一颗牙。
13. I chipped the enamel on my front tooth when I fell over.
    我跌倒时门牙的珐琅质碰碎了。
14. He’ll be gnashing his teeth when he hears that we lost the contract.
    他要是听说我们丟了这份合同，准会气得咬牙切齿。
15. The dentist is treating my teeth.
    牙科医生给我治牙。
16. He yanked out a loose tooth.
    他猛拔出一颗松动了的牙。
17. This old man's tooth draw easily.
    这位老人的牙很容易拔。
18. I have a filling in my tooth.
    我补了颗牙。
19. I have a filling in the tooth.
    我补牙了。
20. Nothing hurts more than a bad tooth.
    没有比牙痛更痛的了。

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