1、倍数+as+adj/adv+as The newly-built railway is twice as long as that one.
这块大石头的重量是那块 的三倍。 The big stone is three times as heavy as that one.
Asia is four ti
mes as large as Europe.
As we all know, cats sleep twice as much as people.
倍数+as+many/much+名词 +其他+as After the technique was introduced, the factory produced twice as many tractors in 1988 as the year before.
这个壶里的水是那个壶里 的水的三倍。 There is three times as much water in this pot as in that one.
3、倍数+形容词（副词） 的比较级+than This rope is twice longer than that one.
这个大厅比我们教室大五 This hall is five times bigger 倍。our classroom. than
4.倍数+the size/length/height+of The earth is 49 times the size of the moon.
这条街是那条街的四倍长。 This street is four times the length of that street.
这座山是那座山的四倍。 This hill is four times the height of that hill.
5.主语+谓语+---times+that of The production of this year is twice that of last year.
6.increase by +---times The production of grain has increased by four times this year.
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