这是偶中午查阅的字典,拼凑出来的,希望可以帮到小朋友:
What 's differences between mammals and animals？
Animal is such a broad term so to speak. You can call birds, fishes, ducks and others animals. Mammal is just a type of animals. It is a warm blooded animal that doesn’t lay egg, it has hair and it gives birth to a live baby..
