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- 吃糖太多就要损坏牙齿。
Too much sugar will rot your teeth away.
- 有些人睡觉时磨牙齿。
Some people grind their teeth while they are asleep.
- 我牙疼，因为我的一颗牙齿上有个洞。
I have a toothache because there is a cavity in one of my teeth.
- 他正用一根牙签剔除牙齿间的饭渣。
He is removing bits of food stuck between the teeth with a toothpick.
- 医生说我的牙齿问题很多。
The doctor told me that I have many dental problems.
- 狗露出了牙齿。
The dog bared its teeth.
- 他的牙齿冷得直打颤。
His teeth chattered uncontrollably because of the cold.
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