哺乳类动物 bǔrǔlèidòngwù mammals Definitions Defs Origin Strokes Stroke Words Sentences Sents 哺乳类 哺乳類 bǔrǔlèi mammal mammal; the class of vertebrate animals that nourish their young with milk动物 動物 dòngwù noun animal animal; living creature that can move and has senses