单词marsupium
n.: 【动】袋;卵袋网络: 育儿袋;鳃腔又称育儿囊;育幼袋
【动物;动物学】袋,育儿袋;卵袋
复数:marsupia
mammals of which the females have a pouch (the marsupium) containing the teats where the young are fed and carried.
哺乳动物的一种,其雌性动物有一个内长乳头并在其中喂养和携带幼子的袋子。