ve·na·tion /vɛˈneʃən, vi-/
  葉翅的排列,葉脈,脈絡,紋理
  Ve·na·tion, n.  The act or art of hunting, or the state of being hunted. [Obs.]
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  Ve·na·tion n.  The arrangement or system of veins, as in the wing of an insect, or in the leaves of a plant. See Illust. in Appendix.
  venation
       n 1: (botany) the arrangement of veins in a leaf
       2: (zoology) the system of venous blood vessels in an animal
          [syn: venous blood system]