有两三天的时间,只要一张嘴,左边上牙床就拽着我的牙神经不让开口,仿佛它是至高无上的检票员,只允许空气入内。对着镜子一照,原来是左上尖牙旁的那颗牙齿还没掉,而它的外侧已经长出了一颗新牙。妈妈看后说:“蛇换皮,叶枯草生,你该换牙了。”“怎么这么疼呀?”我反问。“因为老牙还连着肉,只有把老牙拔了才不疼。”妈妈给我解释道。 There are two or three days, as long as a mouth, left on the gums drag my teeth to not let the opening, as if it is paramount ticket clerk, allowing only air into. In front of the mirror, the tooth beside the left upper canine had not fallen off, and the outside of it had grown a new tooth. Mom said after reading: “Snake skin, leaves hay births, you should change teeth. ” “How so painful?” I asked. “Because the old tooth is still attached to the meat, only the old tooth is not hurt. ” My mother explained to me.