Parachute n. special structure of seeds such us aril, caruncle, pappus, or wing, which aids dispersal by wind;a fold of skin used for gliding as in flying squirrels.

 
  • 种子的特殊构造,如假种皮、脐阜、柔毛或翅等,均有助于风力传播;伞传播体用于滑翔飞行的皮肤褶,见于鼯鼠。
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