第1页,共14页,星期日,2025年,2月5日英语词根词源数字One:Uni-1.unicorn/n.独角兽uni-(one)+corn(horn)2.uniform/adj.相同的、无变化的notchanginginformorcharacter;unvaryingn.制服distinctiveclothingwornbyallmembersofanorganizationuni-(one)+form:Thehousewaskeptatauniformtemperature.3.unique/adj.唯一的、独特的beingtheonlyone;havenolikeorequaleunuchHerdesignsarequiteuniqueintoday’sfashionscene.第2页,共14页,星期日,2025年,2月5日英语词根词源数字Two,double:Bi-1.bicameral/adj.havingtwolegislativechambers(议会)两院制的(如英国的上议院和下议院)bi-(two)+camer(chamber)+-al(形容词词尾)abicameralsystemofgovernment两院制政体2.biweekly/adj.adv.两周一次的(地);隔周的(地)bi-(two)+week+ly(副词词尾)e.g.Weholdourregularmeetingbiweekly.3.bilingual/adj.会两种语言的abletospeak,express,writetwolanguagesequalwellbi-(two)+lingua(language)+-al(形容词词尾)e.g.HeisbilingualinFrenchandSpanish.第3页,共14页,星期日,2025年,2月5日英语词根词源数字Three:Tri-1.tribe/n.种族;一群人;一类人racialgroupunitedbylanguage,custom,religionlargenumberofpeople;setorclasspeopleIhatethewholetribeofpoliticians.2.trilateral/adj.有三边的n.三边形involvingthreesides,groups,countriestri-(three)+later(side)+-al(形容词词尾)Afteroverheateddiscussion,theyreachedatrilateralagreement.3.Tripleadj.三倍的,三部的n.三倍v.使成三倍tri-(three)+ple(tofold)Hetripledhisincomeinthreeyears.第4页,共14页,星期日,2025年,2月5日英语词根词源数字Four:Quadri-1.quadruped/n.四足兽four-footedanimalquadru-(fourfold)+ped(foot)2.quadriplegia/n.四肢麻痹quadri-(four)+pleg(paralysis麻痹)+-ia(condition)3.quadrennial/adj.持续四年的;每四年一次的lastingforfouryears;happeningeveryfourthyearquadr-(four)+enn(year)+-ial(形容词词尾)第5页,共14页,星期日,2025年,2月5日英语词根词源数字Five:Penta-1.Pentagonn.五角形geometricfigurewithfivesidesandanglespenta-(five)+gon(angle)[注]五角大楼(美国国防部办公处)(位于福吉尼亚州的阿灵顿)thefive-sidedbuildingdepartmentofDefenceandtheUSarmedforces2.Pentarchyn.五头政治;五国联盟penta-(five)+archy(rule)3.pente-costn.(犹太人的)五旬节(庆祝收获的节日)Jewishharves