兩倍用英語怎麼說
英語數字的學習中，倍數表達方法的學習也很重要，你知道兩倍用英語怎麼說嗎?下面跟本站小編一起學習倍數的英語知識吧。
double
twice
twifold
兩倍的相關短語兩倍大小 double size
兩倍的錢 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
兩倍的英語例句1. The city has trebled the number of its prisoners to 21,000.
該市的囚犯人數增長了兩倍，達到21,000人。
2. The figure of seventy-million pounds was twice as big as expected.
7,000萬英鎊的金額是預期的兩倍。
3. The merger puts the firm in a position to triple its earnings.
合併可使公司利潤增長兩倍。
4. They will have to pay much more when rents treble in January.
一月份房租增加兩倍時，他們將被迫多付不少錢。
5. Africa's mid-1993 population is projected to more than double by 2025.
預計到2025年，非洲的人口會是1993年年中人口的兩倍多。
6. Allow the loaves to rise until just about double in size.
讓麪包發酵到剛好是原來的兩倍左右。
7. Unemployment in Northern Ireland is twice the national average.
北愛爾蘭的失業率是全國平均水平的兩倍。
8. The aeroplane will travel at twice the speed of sound.
這架飛機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錢售出。
10. This room is twice the length of the kitchen.
這個房間的長度是廚房的兩倍。
11. This box is twice as large as that one.
這個盒子是那個盒子的兩倍.
12. The total output is double that of last year.
總產量是去年的兩倍.
13. They had to fight with a force twice their number.
他們不得不同兩倍於他們的敵人作戰.
14. The output is twice as much as that of ten years ago.
產量是10年前的兩倍.
15. The new airplane flies at twice the speed of sound.
這架新式飛機以兩倍於音速的速度飛行.
關於倍數的英語知識：倍數的翻譯解析及經典例句1.A是B的N倍大/長……(或者A比B大/長……N-1倍)
一般有以下兩種英語表達方法;
(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)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爲：亞洲是歐洲的四倍大，或者亞洲比歐洲大三倍。
2. by 和to
(1) 動詞+ by + 倍數/百分數/數詞
Eg: The production of grain has been increased by four times this year.
今年糧食產量增加了四倍。
(2) 動詞+ to + 數詞
Eg: Last year profits rose to $201 million.
去年利潤增長到2億零100萬美元。
3. by a factor of
詞組by a factor of 在《朗文雙解》中的解釋爲"if something increases or decreases by a factor of N, it increases or decreases by N times."以N倍的係數增加或減少。這個解釋表達不是很明確，現在把它分成以下兩種情況來分析：
(1)表示增加含義時
Increase/ 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，用於農業生產的柴油產量增加了四倍。
(2)表示減少含義時
Decrease/ 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.
總產量減少到1977年的三分之一。
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