我们班的孩子大都五岁半了,有几个孩子开始换牙了。小旭是第一个换牙的,当她手里拿着一个掉下的牙给小朋友看时,引起了不小的轰动,小朋友们纷纷发出了尖叫声。我说:“每个小孩都会换牙的,因为你们长大了,原来的牙齿不能适合身体的生长发育了,要换上新的更牢固的牙齿。”我找来了关于换牙知识的视频放给他们看,孩子们你看看我,我看看你,好像明白了道理,可是还是掩饰不住内心的不 Most of our children in our class are five and a half years old, and a few children started changing their teeth. Xiao Xu is the first tooth change, when she dropped a tooth in her hand to the children to see, caused no small sensation, the children have made a scream. I said: “Every child will change teeth, because you grow up, the original teeth can not fit the body’s growth and development, to replace the new firmer teeth. ” I got a video about tooth exchange knowledge Give them to see children you look at me, I look at you, as if understand the truth, but still could not conceal my heart is not