n. relative darkness caused by light rays being intercepted by an opaque body
n. a quality of a given color that differs slightly from another color
n. protective covering that protects something from direct sunlight
n. a position of relative inferiority
n. 荫, 阴暗, 遮光物, 灯罩, 帘, 浓淡, 微量, 底纹
vi. 渐变
vt. 使阴暗, 使渐变, 遮蔽, 微减
[计] 底纹