swim bladder

英 [swɪm ˈblædə(r)]

美 [swɪm ˈblædər]

网络  鱼鳔; 浮囊; 泳鳔; 鱼膘

英英释义

noun

• an air-filled sac near the spinal column in many fishes that helps maintain buoyancy
  Synonym:air bladderfloat

双语例句