英语倍数的表达法

英语倍数的表达法

1. 用形容词表示甲是乙的几倍时，用下面三个句型，用副词表示则一般只用前两个句型。

（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．

2. 要用名词表示“量”的倍数时，则用以下两个句型：

（1）……倍数+more+名词（可数，不可数）+than

There are four times more books in our library than in yours．我们图书馆藏书（数量）是你们图书馆藏书的四倍。（我们图书馆藏书

比你们的多三倍。）

We have produced twice more grain this year than we did last year．我们今年生产的粮食比去年增长一倍。（是去年的两倍）

（2）……倍数+as many（或much）+名词+其他+as…

After the technique was introduced，the factory produced twice as many tractors in 1988 as the year before．采用新的技术以后

，那个工厂1988年生产的拖拉机是前一年（1987年）的两倍。（比前一年增长一倍）

There is three times as much water in this pot as in that one．这个壶里的水（量）是那个壶里的三倍。