noun🔗Share胎盘动物, 有胎盘类。 Any animal that is a member of the Placentalia"Unlike marsupials that carry their young in pouches, placentals nourish their developing offspring inside the mother's womb through a placenta. "与用育儿袋哺育幼崽的有袋动物不同，胎盘动物通过胎盘在母体内滋养发育中的后代。animalbiologyorganismChat with AIVocabulary GamePractice Reading
