A winglike organ or structure used for flying, as the folds of skin of a flying squirrel or the enlarged pectoral fin of a flying fish.

 
  • 翼狀器官用于飛行的象翼一樣的器官或結構。如美洲飛鼠皮上的皺褶及文鰩魚(yú)擴大了的胸鰭
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