mammal

释义

n. 哺乳动物\n[化] 哺乳动物 marine mammal 海产哺乳动物

例句

Humans, dogs, elephants, and dolphins are all mammals, but birds, fish, and crocodiles are not.

人、狗、大象和海豚都是哺乳动物，而鸟、鱼和鳄鱼则不是。