mammal
/ˈmæməl/
any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk
Chinese meaning: 哺乳动物
Whales are mammals that live in the ocean, not fish.
鲸鱼是生活在海洋中的哺乳动物，而不是鱼。
All mammals have hair or fur and produce milk for their young.
所有哺乳动物都有毛发或皮毛，并为幼崽产奶。