妈妈天天着急,说我都六岁了,大多数孩子都换牙了,我还不换牙。突然有一天,我的牙有一点难受,我告诉了妈妈,她用手轻轻摇了摇,牙的确有一些松动。妈妈可高兴了,她在等着我换第一颗牙。一天又一天过去了,牙还是没有掉。有一天,我在学校感觉牙特别不舒服,就告诉了老师,老师让我张开嘴,她一看,发现松动 Mom anxious every day, said I was six years old, most of the children have changed teeth, I do not change teeth. Suddenly one day, my teeth a little uncomfortable, I told my mother, she gently shaking his hand, teeth do have some loose. Mother can be happy, she is waiting for me to change the first tooth. Day after day, teeth still have not lost. One day, when I felt particularly uncomfortable with teeth at school, I told my teacher that the teacher let me open his mouth and she saw it and found it loose