| 单词 | monotreme |
| 释义 | monotreme (once / 83235 pages) n WORD FAMILY monotreme: monotremes USAGE EXAMPLESIt produced Australia’s first fossil record of a mammal, a monotreme. New York Times(Jul 05, 2016) He told the ABC he’d mistaken it for another monotreme at first. The Guardian(Dec 02, 2015) Egg-laying mammals are called monotremes, and though once more diverse, today that group contains only the platypus and two species of echidna. National Geographic(Nov 14, 2015) n the most primitive mammals comprising the only extant members of the subclass Prototheria Syn|Hypo|Hyper egg-laying mammal anteater, echidna, spiny anteater a burrowing monotreme mammal covered with spines and having a long snout and claws for hunting ants and termites; native to Australia anteater, echidna, spiny anteatera burrowing monotreme mammal covered with spines and having a long snout and claws for hunting ants and termites; native to New Guinea Ornithorhynchus anatinus, duck-billed platypus, duckbill, duckbilled platypus, platypussmall densely furred aquatic monotreme of Australia and Tasmania having a broad bill and tail and webbed feet; only species in the family Ornithorhynchidae prototherian primitive oviparous mammals found only in Australia and Tasmania and New Guinea |
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