单词	Osteoglossidae
释义	Osteoglossidae plural noun Os·​te·​o·​glos·​si·​dae : a family of very large tropical freshwater fishes (order Osteoglossiformes) consisting of the arowanas and formerly the pirarucu and having the head naked and largely encased in bone and the scales large, bony, and composed of pieces resembling mosaic Word History Etymology New Latin, from Osteoglossum, type genus + -idae
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