air bladder

英 [eə(r) ˈblædə(r)]

美 [er ˈblædər]

气泡；鱼鳔；气动薄膜

医学

英英释义

noun

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

双语例句