妈妈和小芳在看电视,电视屏幕上正放映冰天雪地的南极。那里非常冷,动物种类不多,可是雪地上有大群大群的企鹅,摇摇摆摆,来来往往。小芳问妈妈:“企鹅为什么不怕冷呢?”妈妈说:“企鹅的的皮下面有很厚的脂肪,羽毛长得很密,它好像穿了棉袄,又套上了皮大衣,所以不怕冷。”小芳接着又问:“为什么叫它企鹅呢?”妈妈让 Mom and Xiaofang are watching TV, and the ice-cold Antarctic is being shown on the TV screen. There is very cold, not many species of animals, but there are large groups of snow penguins, swaying, coming and going. Xiao-Fang asked her mother: “Why the penguins are not afraid of cold?” “Mom said:” Penguin's skin has a very thick fat, feathers grow very dense, it seems to wear a jacket, and put on a fur coat, So not afraid of cold. “” Xiaofang then asked: “why it is called a penguin?” "Mom let