suicide自杀(sui自己+cide)pesticide杀虫剂(pest害虫+cide)circumcise行割礼,割包皮concise简明的decision决心,决议(decide的名词)excise割去,删去(ex出+cise)excision删除,灭绝(excise+ion)incisive一针见血的,锐利的(incise+ive→切人的→一针见血的)incisor门牙(incise+or→切东西的东西→门牙)precise精确的,清楚的(pre预先+cise→预先切好→精确的)precision精密,正确38.circ,cycl=ring,circle,表示“圆,环”circlet小环,小圈circular圆的;循环的(circ+ular表形容词)circulate循环,流通(circ+ulate→绕圈走→循环)circulation发生,流通(circulate+ion)circuit环行;电路(circu+it走→环行)circuitous迂回的,绕圈子的(circuit+ous)circus马戏团;圆形广场encircle环绕,包围(en进入+circle;圆→进入圆→包围)cycle周期cyclone旋风bicycle自行车recycle再循环;回收39.cit=quote,call,表示“引用,唤起”cite引用;引证citation引用,引证(cote+ation表名词)excite使兴奋,刺激(ex出+cite→引出情绪)ecitement兴奋(excite+ment)incite鼓励,incitation激动recite背诵;演奏recital背诵;独奏(recite+al)resuscitate复活;恢复40.claim,clam=cyrout,shout,表示“呼喊,叫喊”claim要求;论断clamor喧哗;吵闹(clam+or表名词)clamorous吵闹的acclaim欢呼;喝采(ac一再+claim→一再喊→欢呼)acclamation喝采,称赞declaim朗诵declamation慷慨演说;雄辩exclaim叫喊;大声说exclamation叫喊;感叹proclaim公布;声明(pro在前+claim→在前面喊→公布)proclamation宣告;宣言reclaim收回reclamation收复;矫正41.clear,clar,clair=clear,bright,表示“清楚,明白”clearance清算;清除(clear+ance表名词)clarify澄清,弄清clarity清楚clarification澄清;纯化edclare宣称;断言declaration定言;陈述(declare+ation)clairvoyance透视;洞察力clairaudient有超人听力的(clair+audi听+ent→听力清楚)42.clin,cliv=lean,slope,表示“倾斜,斜坡”decline倾斜;衰退declination衰退;下倾(de向下+cline→向下斜)declination衰退;下倾incline倾斜;偏向(in进入+cline→进入斜→偏向,喜爱)disinclined不愿意的(dis不+inclined喜欢的)proclivity倾向;癖好(pro预先+cliv+ity→先斜好→癖好)43.clos,clud,clus=close,表示“关闭”closure关闭;停止(clos+ure;close的名词)closet壁橱;秘室disclose揭发;泄露(dis打开+close→把关的打开→揭发)enclose包围,围绕(en进入+close→被关起来→包围)enclosure包围,围绕conclude结论;终结conclusive决定性的;结论性的(conclude+ive)exclude排除。隔绝完