When brushing your teeth, brush the back of your tongue, too, or scrape it with a tongue scraper.

刷牙时，还要刷刷舌根，或用刮舌器将舌头刮干净。

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So young children should be carefully supervised when they brush their teeth.

VOA: special.2009.03.11

I move out of the room toward the bathroom, planning to brush my teeth. As I enter the bathroom, it's much more light, I look in the mirror and-- here's where things get really weird--I don't see anything.

我离开卧室走向浴室,要去刷牙,当我走进浴室时,光线明亮了些,我看着镜子,从这里情节就诡异了,我什么也没看到

耶鲁公开课 - 死亡课程节选

Make sure to brush your teeth.

记得刷牙。

Make sure 实战 - SpeakingMax英语口语达人

We argue and fight with the kids to get their homework done and brush their teeth and take a shower and brush their hair.

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Wake up and brush teeth, boil water, and set up his thermos and tea.

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Those served by the reservoir were warned to boil their tap water before drinking or using it to prepare food, brush teeth or bathe babies.

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