文档介绍：词根1ag=do,act做,动agent代理人2ann,enn=year年annual每年的,年度的3audi,audit=hear听audible听得见的4bell=war战rebellion反叛,反抗5brev=short短abbreviate缩短,节略6cas=asion发生;时机7cand=bright白,光candle蜡烛8ced,ceed=go行走precedent先行的,在前9cept=take拿,取exception例外,除外10cert,cern=clear搞清,区别certify证明;保证11celer=fast快,速celerity迅速,敏捷12cid,cis=cut,kill切,杀suicide***13circ=ring环,,圆circle圆,圈,环状物14claim,clam=cry,shout喊叫exclaim呼喊,惊叫15clar=clear清楚的,明白的clarify澄清;使清楚16clud,clus=close,shut关闭exclude排斥,拒绝,接纳17cogn=know知道cognition认知18cord=heart心cordial衷心的,诚心的19corpor,cor=body体corporation团体,社团20cred=trust相信,信任credibility可信,可靠21cret,creet=depart区别discrete分立的22cruc=cross十字crucify把……钉在十字桇上;折磨23cur=care关心,挂念,注意security安全24cru,curs,cour,cours=run跑cruise巡航舰25dict,dic=say言,说dictator独裁者,口授者26dit=give给edit编辑27don=give给donor赠与者28du=two二dual双的29duc,duct=lead引导conduct引导,指导,经营30equ=equal等,均,平equal相等的,平等的31fact,fac=do,make做,作factory工厂32fer=bring,carry带,拿different不同的,相异的33flor,olour=flower花florid如花的,华丽的34flu=flow流fluency流利,流畅35fus=pour灌,流,倾泻refuse拒绝,拒受36grad=step,go,grade步,走,级gradual逐步的37gram=write写telegram电报graph=write,writing写,画photograph照相,拍照38gress=go,walk行走progress进步39habit=dwell居住cohabit同居40hibit=hold拿,持exhibit展出,展览41hospit,hosp=guest客人hospitable好客的42it=go行走exit出口,退出43leg=lect说legend传说44ject=throw投掷projection投掷,发射45lect,leg,lig=choose,gather选,收elect选举46lev=raise举、升elevate抬起,使升高47liber=liberty自由liberation解放48liter=letter文字,字母literate识字的,有文化的49loc=plac