Brush your teeth with toothpaste.

用牙膏刷牙。

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To take good care of our teeth, we shouldn't eat too much candy, brush our teeth with too hot or too cold water, have soft drinks often.

为了照顾好我们的牙齿，我们不应该吃太多的糖果，用太热或太冷的水刷牙，或者经常喝软饮料。

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People there are used to brushing their teeth with sticks.

那里的人们习惯用棍子刷牙。

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A colorful figure of a dragon with big teeth attracts attention to information about orchids in Sri Lanka.

VOA: special.2010.04.06

A contract is more then communication, a contract is communication with teeth. It actually changes the payoffs.

协议的效力大于口头约定,协议是有违约责任的,它影响收益

耶鲁公开课 - 博弈论课程节选

Professor Paul Bloom: I don't know if that's--The question is, "Is there a difference between smiling with your teeth versus just your lips closed?"

我不知道是否，问题是，微笑露齿与不露齿有不同吗“

耶鲁公开课 - 心理学导论课程节选

His mother grew up sleeping on a corn-shuck mattress and brushing her teeth with twigs.

ECONOMIST: Jim Webb would make a poor running-mate for Barack Obama

Studying teeth with state of the art technology is helping to unlock previously hidden secrets about the Neanderthals' lifestyle.

BBC: How scientists recreated Neanderthal man

He works for the Internal Revenue Service, never takes vacations, and always cleans his teeth with the same number of brushstrokes.

NEWYORKER: Stranger Than Fiction