Wielki słownik angielsko-polski red. nacz D. Jemielniak, M. Miłkowski
(Noun) biologia pęcherz pławny;
Wordnet angielsko-polski
(an air-filled sac near the spinal column in many fishes that helps maintain buoyancy)
pęcherz pławny
synonim: air bladder
synonim: float