n.漸變；階段；等級；刻度；元音交替

I have noticed the subtle gradation in colour in this painting. 我已經(jīng)注意到這幅畫中色 彩的漸變。

A good actor can express every gradation of feeling from joy to grief. 一名好演員能夠表現(xiàn)出由快樂至痛苦的每一階段的感情變化。

It was hard to understand all the minute gradations of their bureaucracy. 很難弄清楚他們那套官僚體制全部細微的層次分別。

n.降格；墮落；退化

adj.有等級的；漸次的；濃淡法上的

n.逆行；后退；倒退

n.加積(淤高；浚填)

adj.加積的(淤高的；浚填的)

n.生物降解