| 单词 | metatherian |
| 释义 | metatherian (extremely rare) n WORD FAMILY metatherian USAGE EXAMPLESYet, in the Paleogene, only two major metatherian groups can be found in all of North America. Slate(Feb 07, 2013) n primitive pouched mammals found mainly in Australia and the Americas Hypo|Hyper marsupial, pouched mammal mammals of which the females have a pouch (the marsupium) containing the teats where the young are fed and carried opossum, possumnocturnal arboreal marsupial having a naked prehensile tail found from southern North America to northern South America opossum ratterrestrial marsupials of southern South America that resemble shrews bandicootany of various agile ratlike terrestrial marsupials of Australia and adjacent islands; insectivorous and herbivorous kangarooany of several herbivorous leaping marsupials of Australia and New Guinea having large powerful hind legs and a long thick tail opossum, phalanger, possumsmall furry Australian arboreal marsupials having long usually prehensile tails wombatburrowing herbivorous Australian marsupials about the size of a badger dasyurid, dasyurid marsupialsmall carnivorous nocturnal marsupials of Australia and Tasmania Notoryctus typhlops, marsupial mole, pouched molesmall burrowing Australian marsupial that resembles a mole mammal, mammalian any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk |
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