grad
grad = step,go,grade 步,走,级
572.gradual 〔 grad 步,-ual 形容词后缀,的 〕逐步的,逐渐的
573.retrograde 〔 retro- 向后,grad 步,行走;向后走 〕后退,退步,逆行
574.retrogradation 〔 见上,-ation 名词后缀 〕后退,退步,逆行
575.graduate 〔 grad 步,级,-u- ,-ate 动词后缀;在学业上走完某一步,在学业上完成某一级 〕毕业; 〔 转为 〕毕业生
576.graduation 〔 见上,-ation 名词后缀 〕毕业
577.undergraduate 〔 under- 低于,不够,不到,不足, graduate 毕业生 〕尚未毕业者,大学肄业生
578.postgraduate 〔 post- 后,在之后,见上 〕大学毕业后的;研究生
579.degrade〔 de- 下,向下,grad 步,走,级;往下走,降级 〕下降,堕落,退化,使降级,贬默
580.degradation 〔 见上,-ation 名词后缀 〕堕落,退化,降级,贬黜
581.grade 等级,年级,级别,阶段,程度
582.gradation 〔 见上,-ation 名词后缀 〕等级,分等,分级
583.upgrade 〔 up 上,grad 步,级 〕上升,升级,提升,上坡
584.downgrade 〔 down 下,grad 步,级 〕降低,贬低,降级,下坡
585.gradine〔 grad 步,级阶梯,-ine 名词后缀 〕阶梯的一级,阶梯座位的一排
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