我们最好每天刷牙两次。

We had better brush our teeth twice a day.

youdao

我每天刷牙两次。

Brush our teeth. Brush our teeth.

youdao

每天至少要刷牙两次。

Brush your teeth twice a day at least.

youdao

每天至少用含氟牙膏刷牙两次，每次刷两分钟。

Brush for at least two minutes, twice daily, with a fluoridated toothpaste.

youdao

你怎样刷牙呢？每天你应该刷两次牙。

How to brush your teeth? You should brush your teeth twice a day.

youdao

每天至少刷牙两次和用牙线至少一次。

Brush at least twice and floss at least once daily.

youdao

每天至少刷牙两次和用牙线至少一次。

Brush at least twice and floss at least once daily.

youdao