Zoology【动】
1
- a mammal of an order whose members are born incompletely developed and are typically carried and suckled in a pouch on the mother's belly. Marsupials are found mainly in Australia and New Guinea, though three families, including the opossums, live in America有袋（目）动物。
1.1
- Order Marsupialia and infraclass Metatheria, subclass Theria.有袋目, 后哺乳下纲, 兽亚纲。
- of or relating to this order（与）有袋目（有关）的。
词源
late 17th cent. （in the sense 'resembling a pouch'）： from modern Latin marsupialis, via Latin from Greek marsupion 'pouch' （see MARSUPIUM）.