| 词根词缀 |
retrograde v.退步,堕落retro向后+grade=向后退步40261grad=step,grade,表示“步,级”grade n.等级,阶级★★★1902gradient a.步行的n.坡度grad+ient★23805gradation n.等级,层次grad+ation67325gradual a.逐步的grad+ual8350graduate v/n.毕业,分级grade 步+uate=完成所有步骤=毕业★★★2916graduation n.毕业graduate+ion★5579degrade v.降级,退化de向下+grade=向下降级★26730degrading a.不名誉的,可耻的de+grad+ing=向下降了=不名誉的22067retrograde v.退步,堕落retro向后+grade=向后退步40261upgrade v.上升,升级up向上+grade=向上升级★★13801downgrade v.贬低,降低down向下=grade=向下贬低★58812centigrade a.百分度的centi 百+grade级,度69727retrograd后退,倒退retro+grade走=向后走retro-表示“向后,倒退”retrograd后退,倒退retro+grade走=向后走retrogress倒退,退化retro+gress走=向后走retrospect回顾,回想retro+spect看=向后看★10899retroaction倒行,反动retro+action行动=向后行动=倒行逆施retroject向后投射retro+ject扔=向后扔retrovert把…翻转,使倒退retro+vert转=向后转=侄退 |