air bladder Definition in the Cambridge English Dictionary
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Definition of “air bladder” - English Dictionary

Definition of "air bladder" - British English Dictionary

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air bladdernoun [C]

uk   us   specialized
a ​smallbag of ​air or ​gas inside a fish's ​body, that ​helps it to ​float or ​breathe
(Definition of air bladder from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Translations of “air bladder”
in Chinese (Simplified) 鱼鳔(帮助鱼控制浮沉和呼吸)…
in Chinese (Traditional) 魚鰾(幫助魚控制浮沉和呼吸)…
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