极少刷牙和吃太多的糖果会导致蛀牙，有时会非常严重。

Too little brushing and too many sweets can cause tooth decay, sometimes very seriously.

youdao

极少刷牙和吃太多的糖果会导致蛀牙，有时会非常严重。

Too little brushing and too many sweets can cause tooth decay, sometimes very seriously.

youdao