两倍用英语怎么说
两倍用英语怎么说
英语数字的学习中，倍数表达方法的学习也很重要，你知道两倍用英语怎么说吗?下面跟学习啦小编一起学习倍数的英语知识吧。
两倍英语说法
double
twice
twifold
两倍的相关短语
两倍大小 double size
两倍的钱 Twice ; two times the money ;
两倍速度播放 broadcast two times faster ;
成两倍 doubly
两倍之多 twice as much as ; twice as many ;
的两倍 Twice ; The two times
两倍的贵 Twice as expensive
两倍的英语例句
1. The city has trebled the number of its prisoners to 21,000.
该市的囚犯人数增长了两倍，达到21,000人。
2. The figure of seventy-million pounds was twice as big as expected.
7,000万英镑的金额是预期的两倍。
3. The merger puts the firm in a position to triple its earnings.
合并可使公司利润增长两倍。
4. They will have to pay much more when rents treble in January.
一月份房租增加两倍时，他们将被迫多付不少钱。
5. Africa's mid-1993 population is projected to more than double by 2025.
预计到2025年，非洲的人口会是1993年年中人口的两倍多。
6. Allow the loaves to rise until just about double in size.
让面包发酵到刚好是原来的两倍左右。
7. Unemployment in Northern Ireland is twice the national average.
北爱尔兰的失业率是全国平均水平的两倍。
8. The aeroplane will travel at twice the speed of sound.
这架飞机的速度将是音速的两倍。
9. Tickets were selling at twice their face value.
这些票以其面值两倍的价钱售出。
10. This room is twice the length of the kitchen.
这个房间的长度是厨房的两倍。
11. This box is twice as large as that one.
这个盒子是那个盒子的两倍.
12. The total output is double that of last year.
总产量是去年的两倍.
13. They had to fight with a force twice their number.
他们不得不同两倍于他们的敌人作战.
14. The output is twice as much as that of ten years ago.
产量是10年前的两倍.
15. The new airplane flies at twice the speed of sound.
这架新式飞机以两倍于音速的速度飞行.
关于倍数的英语知识：倍数的翻译解析及经典例句
1.A是B的N倍大/长……(或者A比B大/长……N-1倍)
一般有以下两种英语表达方法;
(1) A is N times as large/long (形容词/副词原形) as B.
Eg: Asia is four times as large as Europe.
(2) A is N times larger/longer(形容词/副词比较级)than B.
Eg: Asia is four times larger than Europe.
(3) A is N times the size/length (形容词/副词的名词形式) of B.
Eg: Asia is four times the size of Europe.
以上三句例句的中文翻译均为：亚洲是欧洲的四倍大，或者亚洲比欧洲大三倍。
2. by 和to
(1) 动词+ by + 倍数/百分数/数词
Eg: The production of grain has been increased by four times this year.
今年粮食产量增加了四倍。
(2) 动词+ to + 数词
Eg: Last year profits rose to 1 million.
去年利润增长到2亿零100万美元。
3. by a factor of
词组by a factor of 在《朗文双解》中的解释为"if something increases or decreases by a factor of N, it increases or decreases by N times."以N倍的系数增加或减少。这个解释表达不是很明确，现在把它分成以下两种情况来分析：
(1)表示增加含义时
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.
这些年来，用于农业生产的柴油产量增加了四倍。
(2)表示减少含义时
Decrease/fall...by a factor of N times 减少到1/N，或者减少了(N-1)/N。
Eg: The production has decreased by a factor of three times as against 1977.
总产量减少到1977年的三分之一。
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