grainy /ˈgreni/
  (a.)粒狀的,多粒的,木紋狀的
  Grain·y a. Resembling grains; granular.
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  grainy
       adj : composed of or covered with relatively large particles;
             "granular sugar"; "gritty sand" [syn: farinaceous, coarse-grained,
              granular, granulose, gritty, mealy, sandy]
       [also: grainiest, grainier]