暖风寒江雪
幼苗
共回答了18个问题采纳率:83.3% 举报
There is a thing called toothbrush which is made of nylon.It is made in shanghai and it is used for cleaning your teech.You should use it twice a day.And it can only be used for three months.After that you should buy a new one because it is too old to clean your teeth.Moreover,you should have a right way to brush your teeth.Only by this can you have a good teeth.
1年前
10