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Reading Fun,Sub topics go here,*,*,Reading Fun,Sub topics go here,*,*,Reading Fun,Sub topics go here,*,Reading Fun,Sub topics go here,*,Reading Fun,Sub topics go here,*,Reading Fun,Sub topics go here,*,Reading Fun,Sub topics go here,*,Reading Fun,Sub topics go here,*,Reading Fun,Sub topics go here,*,Reading Fun,Sub topics go here,*,Reading Fun,Sub topics go here,*,Reading Fun,Sub topics go here,*,Reading Fun,Sub topics go here,*,*,英语中倍数的表达方法和译法,英语中倍数的表达方法和译法,1,表示倍数的词包括如下一些:,times,数字,+fold,(tenfold),by the factor of,数字,(,by the factor of 4),表示倍数的词包括如下一些:times,数字+fold,2,倍数增加的句型集合,1.Be N times,有三种句型变体:,A is,n,times as great,(,long,,,much,,,),as B.,A is,n,times,greater,(,longer,,,more,,,),than B.,A is,n times the size,(,length,,,amount,,,),of B.,倍数增加的句型集合1.Be N times 有三种句型变体,3,组一句型翻译方法:,A,的大小(长度,数量,,)是,B,的,n,倍,或,A,比,B,大(长,多,,),n-1,倍,注:当相比的对象,B,很明显时,,than,(,as,,,of,),B,常被省去。,组一句型翻译方法:,4,2.Increase N times,句型有三种变体:,increase to n times,increase n times,n-fold,increase by n times/increase by a factor of n,都译为增加到,N,倍,或增加,N-1,倍,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,2.Increase N times 句型有三种变体:英语,5,注:在这类句型中,increase,常被,raise,,,grow,,,go/step up,,,multiply,等词所替代。,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,注:在这类句型中increase常被raise,grow,g,6,Increase by,句型翻译的证据,这一结构产生误解 的概率很高 往往误译成 比以前增加 倍 其实 它和,increase N times,和,increase to N times,表达的倍数概念相同,应译为增加,N-1,倍。,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,Increase by 句型翻译的证据英语中倍数的表达方法,7,另外,还要注意的是,表示“增加”用,times,或,-,。,fold,与用百分数或具体数值是有所不同的,增加的数 值或百分数均表示净增量,例如,:,Population has increased by 200%in the past 25 years.,人口在过去,25,年内增加了,200%(,即增加两 倍,),。,its output of cotton went up by 20 percent.,它的棉花产量增长了,20%,。,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,另外,还要注意的是,表示“增加”用times 或-。f,8,3.There is a n-fold increase/growth,某物有,N-1,倍的增加或增长。,There is a threefold increase in the production of wheat this year.,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,3.There is a n-fold increase/,9,4.,double(,增加,1,倍,),,,treble,trebl,(增加,2,倍),,quadruple,kwdrupl,(增加,3,倍),,quintuple,kwintjupl,(增加,4,倍),The efficiency of the machines has been more than trebled or quadrupled,这些机器的效率已提高了,2,倍或,3,倍多。,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,4.double(增加1倍),treble treb,10,5.,此外,英语中还有一种用,again,而不用倍数词来比较倍数的方法,如:,1)A is as much,(,large,,,long,,,),again as B.,(,=A is twice as much,(,large,,,long,,,),as B.,应译为:,A,比,B,多(大,长,,),1,倍,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,5.此外,英语中还有一种用again而不用倍数词来比较倍数的,11,2),A is half as much,(,large,,,1ong,,,),again as B.,【,=A is one and a half times as much,(,large,,,1ong,,,),as B.,】(,11,)应译为,:A,比,B,多(大,长,)一半(即,A,是,B,的一倍半)。,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,2)A is half as much(large,1,12,翻译练习,1.This book is three times as long as that one.,2.The dictionary is exactly five times more expensive than that one.,3.This book is three times the length of that one.,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,翻译练习1.This book is three times,13,4.,The production of integrated circuits(,集成电路),has been,increased to three times,as compared with last year.,5.The drain voltage,(漏电压),has been,increased by,a factor of four.,6.The output of chemical fertilizer has been,raised five times,as against l986,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,4.The production of integrate,14,7.If the resistance is doubled without changing the voltage,the current becomes only half strong.,8.By the end of 2007,the number of mobile phone users in China has trebled that in 2003.,9.Efforts will be made to quadruple the GDP of the year 2000 by 2020.,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,7.If the resistance is double,15,10.This substance reacts three times as fast as the other one.,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,10.This substance reacts thre,16,倍数的减少,第一组:,A is n times as small,(,light,,,slow,,,),as B.,A is n times smaller,(,lighter,,,slower,,,),than B,A,的大小(重量,速度,,)是,B,的,1/n,或,A,比,B,小(轻,慢,,),n-1/n,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,英语中倍数的表达方法 教学,PPT-24,页,-PPT,执教课件,【,推荐,】,倍数的减少第一组:英语中倍数的表达方法 教学PPT-24页,17,第二组:,decrease n times/n-fold,decrease by n times,decrease by a factor of n,decrease,常被,reduce,,,shorten,,,go,slow down,等词替代,第二组:,18,第三组:,There is a n-fold decrease/reduction,应译为:减至,1/n,或:减少(,n,一,1,),/n,。,Eg.A rapid decrease by a factor of 7 was observed,发现迅速减少到,1/7,。,第三组:,19,Jogging can make the possibility of catching a heart disease,decrease by 3 times.,Jogging can make one,three times less likely,to suffer from a heart disease.,都译成减少到三分之一,即减少了三分之二。,Jogging can make the possibili,20,翻译练习,1.The hydrogen atom is nearly l6 times as light as the oxygen atom.,2.This
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