| 释义 |
duck-billed platypus  noun See platypus.There are only three living monotremes, the duck-billed platypus and two species of echidna, or ‘spiny anteaters’, such as the one shown at right....- The only living descendants of monotremes are the strange duck-billed platypus of Australia and two species of spiny anteaters, or echidnas.
- These exotic egg-laying animals are represented by just three species: the duck-billed platypus and two echidnas.
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