noun🔗Share哺乳动物 An animal of the class Mammalia, characterized by being warm-blooded, having hair and feeding milk to its young."My pet cat is a mammal, and so are my dogs. "我的宠物猫是哺乳动物，我的狗也是。animalbiologyorganismChat with AIVocabulary GamePractice Reading
noun🔗Share哺乳动物， 哺乳类 A vertebrate with three bones in the inner ear and one in the jaw."Example Sentence: "Cats, dogs, and humans are all mammals because they have hair or fur and feed their babies milk." "猫、狗和人类都是哺乳动物，因为它们有毛发，并且用乳汁喂养幼崽。animalbiologyorganismanatomyphysiologyChat with AIVocabulary GamePractice Reading
