gradation

US /ɡreɪˈdeɪ.ʃən/
UK /ɡreɪˈdeɪ.ʃən/
"gradation" picture
1.

漸變, 等級, 層次

a scale or a series of successive changes, stages, or degrees

:
The colors of the sunset showed a beautiful gradation from orange to purple.
日落的顏色呈現出從橙色到紫色的美麗漸變
The teacher explained the concept with a clear gradation of difficulty.
老師用清晰的難度分級解釋了這個概念。
2.

分級, 漸變

the process of arranging in a series of stages or degrees

:
The artist achieved a smooth gradation of tones in the painting.
藝術家在畫作中實現了平滑的色調漸變
The training program involves a careful gradation of skills.
培訓計劃涉及技能的仔細分級