air bladder

n. 气泡, 鳔

ph.

气泡

air bladder

air bladder1.■【生物学】2.■(鱼类的)鳔3.■(动植物的)气囊[亦作 air cell, gas bladder, swim bladder]

1. an air-filled bladder or sac found in certain animals and plants
   （某些动植物的）气囊
   ■another term for swim bladder
   同 swim bladder
   

air bladder

名词 air bladder:

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

同义词：swim bladder

air bladder