英語中倍數(shù)的表達方式.

1、英語中倍數(shù)的表達方式一、用times表示倍數(shù)（一般限于包括基數(shù)在內(nèi)三倍或三倍以上的數(shù)。表示兩倍的數(shù)，一般用twice）。其句式有：1.“ mesti形容詞/ 副詞的比較級than ”例如：Line AB is three times longer than line CD.線段AB 是（線段）CD 的三倍長。This hall is five times bigger than our classroom.這個大廳比我們的教室大5 倍。2.“ times +as + 形容詞/ 副詞的原級as ”例如：This table is three times as long as that one.這

2、張桌子是那張桌子的三倍長。This dictionary is five times as thick as the one you borrowed from the library.這本詞典的厚度是你從圖書館借的那本（厚度）的5 倍。3.“ times + the + 名詞（如： size ， height ， weight ， length ， width等） of ”例如 ：The earth is 49 times the size of the moon.地球的體積是月球的49 倍。This river is three times the depth of that one.這條

3、河是那條河的三倍深。4.“ times + more名詞than ”例如：He earns five times more money than he did ten years ago.他現(xiàn)在掙的錢比十年前掙的多5 倍。There are twice more students in our class than in theirs.我們班的學生人數(shù)比他們班多兩倍。5.“ imest +as many（或much）名詞as ”例如：We've produced twice as much cotton this year as（ we did） ten years ago.今年我們生

4、產(chǎn)的棉花比十年前多了一倍。（漢語中的多一倍實際上也指兩倍一樣多。）He has got three times as many books as his sister.他擁有的書的數(shù)量是他妹妹的3 倍。6.“ times + what 從句 ”例如：The length of the road is four times what it was three years ago.這條路的長度是三年前的4 倍。The price of the meat is twice what it was last year.肉價是去年的兩倍。7.“ times + up on（或over） ”例如：The

5、size of the sun is a million times over that of the earth.太陽的體積比地球的體積大一百萬倍。He is three times up on your age.他的年齡是你的4 倍（或：比你的年齡大3 倍）。8.“ +by +times例如”：Compared with last year， our coal output has increased by three times.與去年相比，我們的煤產(chǎn)量增長了3 倍。His speed is faster than mine by four times.他的速度比我的快4 倍。9.“ t

6、imes + compa red with被比較對象 ”例如：The number of the students in our school has increased for times compared with 1980.我們學校的學生人數(shù)比1980年增加了3 倍。10.“ times + that of +被比較對象 ”例如：In this workshop the output of July was 3.5 times that of January.這個車間七月份的產(chǎn)量是元月份的3.5 倍。二、用分數(shù)、百分數(shù)表示倍數(shù)。例如：The box is one-third bigger

7、 than that one.這個盒子比那個盒子大三分之一。Last year the output value of industry was 59 percent higher than that of 1976.去年工業(yè)產(chǎn)值比1976年增長了59 。My command of English is not half so good as yours.我英語掌握得還不及你的一半兒好。三、用again（一倍），double（兩倍），triple（三倍），fourfold（四倍）等詞表示倍數(shù)。例如：My Aunt is as old again as I am.我姑姑的年齡比我大一倍。The top-brand clothes are often sold as double the normal price here.這里名牌衣服的售價