gradation

/ɡrəˈdeɪʃn/ 15GRE
Gradations are small differences or changes in things. 渐变

noun [抽象名词](色彩、颜色、次序、音调等的)渐变;分等级;(各种状态、性质等的)分阶段渐变;元音交替

But TV images require subtle gradations of light and shade.
但是电视影像需要有细微的光影变化。

gradation

-tion ⌜ 表示某种行为、状态或结果 - indicating an action, process, or result ~ ⌟
单词造句:
网友用“Gradation”造句精选
Abbot H.Thayer has suggested that this gradation obliterates the appearance of solidity, which is due to shadow. Abbot H·Thayer 曾提出,这种渐变抹杀了实体性外观,后者是影子导致的。
Abbot H. Thayer has suggested that this gradation obliterates the appearance of solidity, which is due to shadow. Abbot H。 Thayer 曾提出,这种渐变抹杀了因为影子而导致的实体性的外观。