兩倍用英語(yǔ)怎么說(shuō)
兩倍用英語(yǔ)怎么說(shuō)
英語(yǔ)數(shù)字的學(xué)習(xí)中，倍數(shù)表達(dá)方法的學(xué)習(xí)也很重要，你知道兩倍用英語(yǔ)怎么說(shuō)嗎?下面跟學(xué)習(xí)啦小編一起學(xué)習(xí)倍數(shù)的英語(yǔ)知識(shí)吧。
兩倍英語(yǔ)說(shuō)法
double
twice
twifold
兩倍的相關(guān)短語(yǔ)
兩倍大小 double size
兩倍的錢(qián) Twice ; two times the money ;
兩倍速度播放 broadcast two times faster ;
成兩倍 doubly
兩倍之多 twice as much as ; twice as many ;
的兩倍 Twice ; The two times
兩倍的貴 Twice as expensive
兩倍的英語(yǔ)例句
1. The city has trebled the number of its prisoners to 21,000.
該市的囚犯人數(shù)增長(zhǎng)了兩倍，達(dá)到21,000人。
2. The figure of seventy-million pounds was twice as big as expected.
7,000萬(wàn)英鎊的金額是預(yù)期的兩倍。
3. The merger puts the firm in a position to triple its earnings.
合并可使公司利潤(rùn)增長(zhǎng)兩倍。
4. They will have to pay much more when rents treble in January.
一月份房租增加兩倍時(shí)，他們將被迫多付不少錢(qián)。
5. Africa's mid-1993 population is projected to more than double by 2025.
預(yù)計(jì)到2025年，非洲的人口會(huì)是1993年年中人口的兩倍多。
6. Allow the loaves to rise until just about double in size.
讓面包發(fā)酵到剛好是原來(lái)的兩倍左右。
7. Unemployment in Northern Ireland is twice the national average.
北愛(ài)爾蘭的失業(yè)率是全國(guó)平均水平的兩倍。
8. The aeroplane will travel at twice the speed of sound.
這架飛機(jī)的速度將是音速的兩倍。
9. Tickets were selling at twice their face value.
這些票以其面值兩倍的價(jià)錢(qián)售出。
10. This room is twice the length of the kitchen.
這個(gè)房間的長(zhǎng)度是廚房的兩倍。
11. This box is twice as large as that one.
這個(gè)盒子是那個(gè)盒子的兩倍.
12. The total output is double that of last year.
總產(chǎn)量是去年的兩倍.
13. They had to fight with a force twice their number.
他們不得不同兩倍于他們的敵人作戰(zhàn).
14. The output is twice as much as that of ten years ago.
產(chǎn)量是10年前的兩倍.
15. The new airplane flies at twice the speed of sound.
這架新式飛機(jī)以?xún)杀队谝羲俚乃俣蕊w行.
關(guān)于倍數(shù)的英語(yǔ)知識(shí)：倍數(shù)的翻譯解析及經(jīng)典例句
1.A是B的N倍大/長(zhǎng)……(或者A比B大/長(zhǎng)……N-1倍)
一般有以下兩種英語(yǔ)表達(dá)方法;
(1) A is N times as large/long (形容詞/副詞原形) as B.
Eg: Asia is four times as large as Europe.
(2) A is N times larger/longer(形容詞/副詞比較級(jí))than B.
Eg: Asia is four times larger than Europe.
(3) A is N times the size/length (形容詞/副詞的名詞形式) of B.
Eg: Asia is four times the size of Europe.
以上三句例句的中文翻譯均為：亞洲是歐洲的四倍大，或者亞洲比歐洲大三倍。
2. by 和to
(1) 動(dòng)詞+ by + 倍數(shù)/百分?jǐn)?shù)/數(shù)詞
Eg: The production of grain has been increased by four times this year.
今年糧食產(chǎn)量增加了四倍。
(2) 動(dòng)詞+ to + 數(shù)詞
Eg: Last year profits rose to 1 million.
去年利潤(rùn)增長(zhǎng)到2億零100萬(wàn)美元。
3. by a factor of
詞組by a factor of 在《朗文雙解》中的解釋為"if something increases or decreases by a factor of N, it increases or decreases by N times."以N倍的系數(shù)增加或減少。這個(gè)解釋表達(dá)不是很明確，現(xiàn)在把它分成以下兩種情況來(lái)分析：
(1)表示增加含義時(shí)
Increase/grow...by a factor of N times 增加到N倍，或者增加了N-1倍
Eg: The output of diesel oil for farm use has been increased by a factor of five times these years.
這些年來(lái)，用于農(nóng)業(yè)生產(chǎn)的柴油產(chǎn)量增加了四倍。
(2)表示減少含義時(shí)
Decrease/fall...by a factor of N times 減少到1/N，或者減少了(N-1)/N。
Eg: The production has decreased by a factor of three times as against 1977.
總產(chǎn)量減少到1977年的三分之一。
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