platy·pus /ˈplætɪpəs, ˌpʊs/
  鴨嘴獸
  Plat·y·pus n.  Zool. The duck mole. See under Duck.
  Syn: -- Duck Mole, duckbill, duck-bill platypus, duck-billed platypus.
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  platypus
       n : small densely furred aquatic monotreme of Australia and
           Tasmania having a broad bill and tail and webbed feet;
           only species in the family Ornithorhynchidae [syn: duckbill,
            duckbilled platypus, duck-billed platypus, Ornithorhynchus
           anatinus]