air bladder

中文含义：气囊

英语词性：noun

美式发音：er blad-er

同义词：air sac, float, buoyancy device

易混淆单词：bladder（膀胱）

双语例句：

  • The air bladder helps the fish to regulate its buoyancy in the water.
  • Some deep-sea creatures have adapted to survive by filling their air bladders with oil.
  • The lifeguard threw an air bladder to the drowning swimmer to keep them afloat.