动物的五类和介绍
最好有英文
参考答案:哺乳动物(mammals):Give milk to their babies.Theyhave got warm blood.
爬行动物(reptiles):Have got cold blood,they all lay eggs and their skin is thick.
昆虫(insects):Have got six legs ,most of them have got wings and can fly.
鸟(bird):Lay eggs,many of them can fly ,their blood is warm.
鱼(bird):Live in water,their blood is cold.