一位妈妈经常带孩子去逛超市,可孩子每次总是又哭又闹,情绪异常。妈妈很不理解,于是便大声训斥。一次又逛超市,妈妈蹲下来帮孩子系鞋带。这时妈妈才发现:孩子只能看到无数条行走着的粗细、长短、颜色不一的腿…… A mother often take children to the supermarket, but the child always crying and joking, emotional abnormalities. Mom did not understand, so he scolded loudly. Once again visit the supermarket, my mother squat down to help children fasten shoelaces. At this moment, my mother found out that the child can only see countless walking thicknesses, lengths, and different color legs.