| 释义 |
air bladdern.Biology（名词）【生物学】- An air-filled structure in many fishes that functions to maintain buoyancy or, in some species, to aid in respiration. Also called swim bladder 鳔；气囊：一种充满空气的结构，许多鱼类用此来保持漂浮或者有些物种的鱼用此来帮助呼吸 也作 swim bladder
- See float 参见 float
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