前些日子 ,为了让幼儿学习正确的刷牙方法 ,我让全体幼儿都从家里带来了平时使用的牙刷 ,发现孩子们使用的牙刷竟然存在各种各样的问题 :有的在使用成人的牙刷 ;有的牙刷毛已弯曲变形向四周张开 ;有的牙刷根部残存着未冲掉的牙膏 ;有的牙刷头部有不少污物……为此 ,我马上打印 A few days ago, in order for young children to learn the correct method of brushing, I let all young children brought their usual toothbrushes from home and found that children’s toothbrushes actually have various problems: some are using adult toothbrushes ; Some bristles have been bent to the deformation around the open; some toothbrush root remnants of the remaining toothpaste; some toothbrush head a lot of dirt ... ... So, I’ll print