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英語學(xué)習(xí)方法：用英語表示倍數(shù)的五種方法
在平平淡淡的日常中，每個階段都有需要學(xué)習(xí)的內(nèi)容，同時，越來越多的人開始注重正確的學(xué)習(xí)方法。那么，怎樣學(xué)習(xí)才能更高效呢？以下是小編為大家收集的英語學(xué)習(xí)方法：用英語表示倍數(shù)的五種方法，歡迎閱讀，希望大家能夠喜歡。
將數(shù)字與-fold連用構(gòu)成形容詞或副詞
This is a ten-fold increase in five years. 在5年中翻了10倍。
The population in this area has increased fourfold. 該地區(qū)的人口已增加到原來的4倍。
The reasons for the delay are three fold. 延誤的原因有三。
要注意正確理解threefold, fourfold, fivefold等的意思，如fourfold的意思是four times as much or as many，譯成漢語是“4倍(的)”：
The value of the house has increased fourfold since 1939. 房價自1939年以來增加到原來的4倍(或：房價自1939年以來增加了3倍)。
數(shù)字 + times + as + 原級 + as +比較對象
It cost three times as much as I had expected. 它花的錢比我預(yù)期的多兩倍。
Cats sleep twice as much as people. 貓睡覺的時間比人長一倍。
Unemployment among blacks was twice as high as that for white. 黑人的失業(yè)人數(shù)是白人的兩倍。
New drivers have twice as many accidents as experienced drivers. 新駕駛?cè)怂龅氖鹿适抢像{駛?cè)说膬杀丁?/p>
There is an entrance hall of perfect proportions, twice as long as it is wide. 有一處比例堪稱完美的門廊，長是寬的兩倍。
數(shù)字 + times + the size / length / depth / height / width / quantity / amount / etc+ of +比較對象
Their house is twice the size of ours. 他們的房子是我們的兩倍大。
The queen bee is twice the length of a worker bee. 蜂王的體長為工蜂的兩倍。
Many are holding out for ten times the price. 許多人堅持索要10倍于該價格的價錢。
This room is twice the length of the other, but much narrower. 這個房間的長度是那個房間的兩倍，但窄得多。
Concorde crosses the Atlantic at twice the speed of sound. 協(xié)和飛機(jī)以兩倍于聲速的速度飛越大西洋。
The soil contains 30 times the acceptable level of radioactivity. 這片土壤受到了高于標(biāo)準(zhǔn)30 倍的輻射。
Air pollution in the city had reached five times the acceptable levels. 這座城市的空氣污染程度曾高達(dá)可接受標(biāo)準(zhǔn)的四倍。
比較同義句：
He eats twice the amount that you eat.= He eats twice what you eat. 他比你多吃一倍。/
This box is twice the size of that one.= This box is twice as large as that one. 這個盒子是那個盒子的兩倍。
數(shù)字 + times + 比較級 + than + 比較對象
She’s a zillion times brainier than I am. 她比我聰明億萬倍。
She can walk three times further than you. 他能比你多走三倍的路。
This room is three times larger than that one. 這個房間比那個房間大兩倍。
It was ten times more difficult than I expected. 這事比我預(yù)想的要困難十倍。
It took three times longer I had expected. 這件事比我預(yù)料的多花了兩倍的時間。
Its profits are rising four times faster than the average company. 它的利潤增長速度比一般公司快4倍。
Young people were several times more likely to be out of work than older members of the workforce. 勞動人口中，年輕人失業(yè)的可能性是年長者的好幾倍。
Carrying goods by train costs nearly three times more than carrying them by barge. 通過鐵路運(yùn)貨的成本比駁船運(yùn)貨成本高出近3倍。
Premature birth is three times more likely for twins, and delivery at 36 to 38 weeks is normal. 雙胞胎的早產(chǎn)率要比一般的高出兩倍，在36到38周之間分娩很正常。
The new method was ten times more efficient than the traditional one. 新方法比傳統(tǒng)方法的效率提高了10倍。
其他方法
His income is double hers. 他的收入是她的兩倍。
Capital expenditure was treble the 2002 level. 資本支出是 2002 年的三倍。
The volume of traffic has grown by a factor of four. 車流量已是原來的4倍。
The amount of alcohol in his blood was triple the legal maximum. 他血液中的酒精含量為法定最高限量的三倍。
Sales have quadrupled in the last five years. 過去五年中，銷售額已增長四倍。
This year we produced quadruple the amount produced in 2002. 我們今年的產(chǎn)量是 2002 年的四倍。
We need double the amount we already have. 我們需要現(xiàn)有數(shù)量的兩倍。
The money they were asking for was triple the amount we expected. 他們要的錢數(shù)是我們預(yù)期的3倍。
The driver was more than seven times over the legal limit (= the amount of alcohol you are allowed to have in your body when you are driving). 那名司機(jī)體內(nèi)的酒精含量超過了法律允許限度的三倍。
The amount of reclaimed glass used in industry has doubled in the last five years. 用在工業(yè)上的再生玻璃的數(shù)量在過去5年內(nèi)增加了1倍。
英語倍數(shù)關(guān)系表達(dá)方法
用英語表達(dá)"A 是 B 的 N 倍長(寬，高，大，重等)"，"A 比 B 長(寬，高，大，重等)N 倍" 或"A 的長度(寬度，高度，大小，重量等)是 B 的 N 倍"，可用下列幾種句型。
1."A + be + 倍數(shù) + as + 計量形容詞原級 + as + B".
This tree is three times as tall as that one. 這棵樹是那棵樹的三倍高。
His father is twice as old as he. 他父親的年紀(jì)有他兩倍大。
2."A + be + 倍數(shù) + 計量形容詞比較級 + than + B "
The Yangtze River is almost twice longer than the Pearl River.
長江差不多比珠江長兩倍。
The dictionary is exactly five times more expensive than that one.
這本字典比那本恰好貴5倍。
3."A + be + 倍數(shù) + the + 計量名詞 + of + B "
The newly broadened square id four times the size of the previous one.
新擴(kuò)建的廣場是未擴(kuò)建時的四倍大。
4."The + 計量名詞 + of + A + be + 倍數(shù) + that + of + B "
The size of the newly broadened square is four times that of the previous one.
新擴(kuò)建的廣場為以前的四倍大。
5.其它
Im twice/ double his age. 我的年齡是他的兩倍。
Ive paid five times the usual price for the stamp.
我出了5倍于往常的價格買這枚郵票。
The average income of the staff has been increased by 50 percent compared with last year. 與去年相比，該單位職工的
收入增加了50%.
The price of TVs are twofold( adj. 兩部分的, 雙重的) down over these years.
近幾年來，電視機(jī)的價格下降了兩倍。
3英語中幾種表示倍數(shù)的方法
我們要表達(dá)甲是乙的幾倍時,通常用下面三個句型來表示：
1.“A+倍數(shù)+形容詞或副詞的比較級+than+B”,表示“A比B大(長、高、寬等)多少倍”.如：
This rope is twice longer than that one.這根繩子是那根繩子的兩倍長(比那根繩子長一倍).
This hall is five times bigger than our classroom.這個大廳比我們的教室大四倍(是我們教室的五倍).
The car runs twice faster than that truck.這輛小車的速度比那輛卡車快一倍(是那輛卡車的兩倍).
2.“A+倍數(shù)+as+形容詞或副詞的原級+as+B”,表示“A正好是B的多少倍”.如：
Asia is four times as large as Europe.亞洲的面積是歐洲的四倍.
This big stone is three times as heavy as that one.這塊大石頭的重量是那塊的三倍.
The plane flew ten times as high as the kite.那架飛機(jī)的飛行高度是那只風(fēng)箏的十倍.
3.“A+倍數(shù)+the size/height/length/width,etc+of+B”,表示“A正好是B的多少倍”.如：
This street is four times the length of that one.這條街是那條街的四倍長.
This hill is four times the height of that small one.這座山的高度是那座小山的四倍.
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