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单词 swim bladder
释义

WordReference Random House Unabridged Dictionary of American English © 2024
swim blad′der. 
  1. FishSee air bladder (def. 2).
  • 1830–40

Collins Concise English Dictionary © HarperCollins Publishers::
swim bladder n
  1. another name for air bladder
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更新时间:2025/2/23 10:53:09