单词：shadings
音标：[ˈʃeidiŋz] ；
n. 留下阴影( shading的复数形式 ); 描影法; 明暗法; 底纹
n. graded markings that indicate light or shaded areas in a drawing or painting
n. a gradation involving small or imperceptible differences between grades
v. cast a shadow over
n. a gradation involving small or imperceptible differences between grades
v. cast a shadow over