英语词汇“dorsal fin”是什么意思，“dorsal fin”的读音、用法及例句翻译-烛光网

词汇	dorsal fin
释义	dorsal finn.（名词） The main fin located on the back of fishes and certain marine mammals.背鳍：鱼或一些海洋哺乳动物背部主要的鳍
随便看	learned learned learning learning learning learning curve learning disability learning-disabled learnings learns learnt learnt leas lease leaseback leased leasehold leases leash leash leashed leashes leashing leash law leasing

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