n.渐变;阶段;等级;刻度;元音交替
I have noticed the subtle gradation in colour in this painting. 我已经注意到这幅画中色 彩的渐变。
A good actor can express every gradation of feeling from joy to grief. 一名好演员能够表现出由快乐至痛苦的每一阶段的感情变化。
It was hard to understand all the minute gradations of their bureaucracy. 很难弄清楚他们那套官僚体制全部细微的层次分别。
n.降格;堕落;退化
adj.有等级的;渐次的;浓淡法上的
n.逆行;后退;倒退
n.加积(淤高;浚填)
adj.加积的(淤高的;浚填的)
n.生物降解