Translation of "Mammals" in Chinese

Ruminants are a group of mammals.

牛是一种反刍类的哺乳动物。

The African ground squirrels collaborate and are not aggresive to other mammals.

非洲地松鼠互帮互助，对其他哺乳动物没有攻击性。

Cheese is a solid food made from the milk of cows, goats, sheep, and other mammals.

奶酪是由母牛、山羊、绵羊或其它哺乳动物的奶被加工制造的坚硬的食物。