纯以灰色的装饰画法
Grisaille \Gri"saille`\, n. [F., from gris gray.] 1. (Fine Arts) Decorative painting in gray monochrome; -- used in English especially for painted glass. 2. A kind of French fancy dress goods. --Knight.
grisaille n : chiaroscuro painting or stained glass etc., in shades of gray imitating the effect of relief