1 英语 中倍数表示方法
在英语中经常会用到倍数的表达,许多同学不清楚英语倍数的表示,下面是小编收集整理的一些英语中倍数表示方法,大家一起来看看吧!
1. 表示“几倍大小(长短;数量)”,由“倍数+ the size(length,amount……)”结构组成 。
例如:
The earth is forty-nine times the size of the moon. 地球是月亮的49倍大 。
2. 表示“……比……大几倍”,由“倍数+形容词(副词)比较级”结构组成 。
例如:
This box is three times bigger than that one. 这个盒子比那个盒子大三倍 。
The grain output is 8 percent higher this year than that of last year. 今年比去年粮食产量增加8% 。
3. 表示“……是……倍”,由“倍数+ as +形容词+ as +”结构组成 。
例如:
Our factory is twice as big as theirs. 我们的工厂是他们的三倍 。
I have three times as many as you. 我有你三倍那么多 。
[注] 一倍用once,两倍用 twice 。
4、还可以用by+倍数,表示增加多少倍 。
The production of grain has been increased by four times this year. 今年粮食产量增加了4倍 。
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2英语表示倍数的常见用法
我们要表达甲是乙的几倍时,通常用下面三个句型来表示:
1.“A+倍数+形容词或副词的比较级+than+B”,表示“A比B大(长、高、宽等)多少倍”.如:
This rope is twice longer than that one.这根绳子是那根绳子的两倍长(比那根绳子长一倍).
This hall is five times bigger than our classroom.这个大厅比我们的教室大四倍(是我们教室的五倍).
The car runs twice faster than that truck.这辆小车的速度比那辆卡车快一倍(是那辆卡车的两倍).
2.“A+倍数+as+形容词或副词的原级+as+B”,表示“A正好是B的多少倍”.如:
Asia is four times as large as Europe.亚洲的面积是欧洲的四倍.
This big stone is three times as heavy as that one.这块大石头的重量是那块的三倍.
The plane flew ten times as high as the kite.那架飞机的飞行高度是那只风筝的十倍.
3.“A+倍数+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.这条街是那条街的四倍长.
This hill is four times the height of that small one.这座山的高度是那座小山的四倍.
3英语表示倍数的三种句型
(1)……倍数+形容词(或副词)的比较级+than
This rope is twice longer than that one.这根绳的长度是那根绳的三倍 。(比那根绳长二倍)
This hall is five times bigger than our classroom.这个大厅比我们的教室大五倍 。(是我们教室的六倍)
The car runs twice faster than that truck.这辆小车的速度比那辆卡车快两倍 。(是那辆卡车的三倍)
(2)……倍数+as+形容词(或 much)或副词+as
Asia is four times as large as Europe.亚洲的面积是欧洲的四倍 。
This big stone is three times as heavy as that one.这块大石头的重量是那一块的三倍 。(这块石头比那块重二倍)
The plane flew ten times as high as the kite.那架飞机飞行高度是那个风筝的十倍 。(高出九倍)
(3)……倍数+the size(length,height…)of
This street is four times the length of that street.这条街是那条街的四倍长 。
This hill is four times the height of that small one.这座山的高度是那座小山的四倍 。(比那座小山高三倍)
也可用:The height of this hill is four times that of that small one.
4常规句型的变形
1.“ …times+more+名词(可数或不可数)+than+被比对象”.如:
There are five times more books in our library than in yours.我们图书馆里的书比你们图书馆多四倍.
We have produced twice more grain this year than we did last year.我们今年生产的粮食是去年的两倍.
2.“ …times as many/much+名词+as+被比对象”.如:
There is four times as much water in this pot as in that one.这个壶里装的水是那个壶里的四倍.
There are six times as many students as we expected.学生数量是我们预期的六倍.
3.“ …times+over+被比对象”.如:
The grain output in that village is twice over that of 2002.那个村的粮食产量是2002年的两倍.
4.“ …times+that+of+被比对象 ”.如:
In this workshop,the output of July was 4.5 times that of January.这个车间7月份的产量是1月份的4.5倍.
5.“…times+compared with+被比对象”.如:
The number of the students in our school has increased 4 times compared with 1980.我们学校的学生人数比1980年增加了三倍.
6.“…times+what+从句”.如:
【英语中倍数的表示方法 英语中倍数的三种表示方法】The production is now three times what it was ten years ago.现在的产量比十年前增加了两倍.
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