How to Brush! How to Floss!

如何刷牙！如何拉牙线！

youdao

And I taught them how to brush their teeth in tiny circles so they wouldn't get cavities.

教他们如何用牙刷转圈儿刷牙以免得蛀牙。

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Brushing teeth effectively can prevent periodontal diseases. But few people know how to brush teeth effectively.

有效刷牙能很好地预防牙周疾病，但懂得有效刷牙的人并不多。

youdao

The health project teaches children how to brush their teeth properly and it includes the use of fluoride toothpaste.

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But when you need confidence, it does help to know how to work a room in order to find your path and brush off the negativity.

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They can tell you how many pounds it takes to--of force it takes to brush your teeth, you know.

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