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1、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not changing in form or character;unvarying n.制服distinctive clothing worn by all members of an organization uni-(one)+form:The house was kept at a uniform temperature.3.unique/adj.唯一的、独特的being the only one;have no like or equal
2、 eunuchHer designs are quite unique in todays fashion scene.第1页/共13页英语词根词源数字Two,double:Bi-1.bicameral/adj.having two legislative chambers（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)a bicameral system of government两院制政体 2biweekly/adj.adv.两周一次的（地）;隔周的（地）bi-(two)+week+ly(副词词尾)e.g.We hold our
3、 regular meeting biweekly.3.bilingual/adj.会两种语言的able to speak,express,write two languages equal well bi-(two)+lingua(language)+-al(形容词词尾)e.g.He is bilingual in French and Spanish.第2页/共13页英语词根词源数字Three:Tri-1.tribe/n.种族；一群人；一类人racial group united by language,custom,religion large number of people;set
4、or class people contributionI hate the whole tribe of politicians.2.trilateral/adj.有三边的 n.三边形involving three sides,groups,countries tri-(three)+later(side)+-al(形容词词尾)After overheated discussion,they reached a trilateral agreement.3.Triple adj.三倍的，三部的n.三倍v.使成三倍 tri-(three)+ple(to fold)He tripled his
5、income in three years.第3页/共13页英语词根词源数字Four:Quadri-1.quadruped/n.四足兽four-footed animal quadru-(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lasting for four years;happening every fourth year quadr-(four)+enn(year)+-ial(形容词词尾)第4页/
6、共13页英语词根词源数字Five:Penta-1.Pentagon n.五角形geometric figure with five sides and angles penta-(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）the five-sided building department of Defence and the US armed forces 2.Pentarchy n.五头政治；五国联盟 penta-(five)+archy(rule)3.pente-cost n.（犹太人的）五旬节（庆祝收获的节日）Jewish harvest
7、festival that takes place fifty days after the second day of Passover 第5页/共13页英语词根词源数字Six Sex-1.Sexagenarian n.60-69岁之间的人(person who is)of any age from 60-69 2.Sexpartite adj.分成六部分的 sex-(six)+part+-ite(形容词词尾)3.Sexcentenary n.adj.六百周年纪念（的）sex-(six)+cent(hundred)+en(year)+-ary（形容词兼名词词尾）Hex(a)-1.Hexago
8、n n.六角形geometric figure with six sides and angles hexa-(six)+gon(angle)2.Hexameter n.有六个韵部的诗行line of verse with six metrical foot 第6页/共13页septwolves sept来自于拉丁语septem。sept是一个数字前缀，意思是“七”。September为什么是九月而不是七月呢？在古罗马的日历里面September是七月的意思，后来有两个大人物挤到日历的月份中来了，他们是Julius Caesar和Augustus，他们的名字分别成了七月和八月，这样原先表示七月
9、的September就成了九月。受到影响依次被后推了两个月的还有October，November，December。第7页/共13页英语词根词源数字Seven:Sept-1.Septet n.七重奏（曲）；七重唱（曲）piece of music written for a group of seven instruments or singers 2.Septennial adj.连续七年的；七年一次的 sept-(seven)+enn(year)+-ial(形容词词尾)3.September n.九月the ninth month of the year,next after August
10、 but the seventh month of the Roman year September showers:short periods of rain alternating with hot weather.第8页/共13页英语词根词源数字注 September:恺撒之前的罗马历是以三月（March）为始，共有十个月。后来加上了一月（January）、二月（February）而成十二个月，但其余各月的名称并没有改变，只是往后顺延两个月，乃称九月为September,其余依次类推：September（七月九月），November（九月十一月）。第9页/共13页英语词根词源数字Eigh
11、t:Octa-,Octo-1.Octogenarian n.80-89岁之间的老人persons between 80 and 89 of age 2.Octagon n.八角形 octa-(eight)+gon(angle)3.Octopus n.章鱼；强有力且能为害的组织sea-animal with a soft body and eight long arms with suckers on them octo-(eight)+pus(foot)Have you ever tasted octopus?第10页/共13页英语词根词源数字Nine:nov/non,ennea novena
12、 宗(天主教)连续九天的祷告 nonary 数九进法的，九个一组 ennovenary九进制的 ennead 九个一组 enneagon 数九角形,九边形 November（九月十一月）第11页/共13页英语词根词源数字Ten:Deca-1.decade/n.十年；由十所构成的一组period of ten years e.g.the first decade of 20 century 2.decameron/n.十日谈 deca-(ten)+meron(day)3.decapod/n.十脚类动物（如虾等）dec-(ten)+pod(foot)4.decimal/n.Adj.十进制（的）；小数（的）Decimal(tithe十分之一)+-al(形容词词尾)Decathlon:十项全能运动第12页/共13页感谢您的观看！第13页/共13页