| 单词 | egg-laying mammal |
| 释义 | egg-laying mammal (once / 3939771 pages) n WORD FAMILY egg-laying mammal USAGE EXAMPLESThe evolutionarily unique animals are one of five egg-laying mammal species. Scientific American(Jun 23, 2011) n the most primitive mammals comprising the only extant members of the subclass Prototheria Syn|Hypo|Hyper monotreme 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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