英语词汇“swim bladder”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词

swim bladder

释义

Noun: swim bladder swim 'bladu(r)

An air-filled sac near the spinal column in many fishes that helps maintain buoyancy
- air bladder, float

Derived forms: swim bladders

Type of: sac

Encyclopedia: Swim bladder

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