1、倍数+as……as……
We have produced three times as many computers as we did last year.
我们生产的计算机是去年生产的三倍之多。
My deskmate claimed to have twice as many stamps as me.
我同桌声称他的邮票是我的两倍。
2、倍数+the size of……
常见的与size用法相同的名词有weight重量，height高度，depth深度，width宽度，age年龄，length长度等。
This city is almost twice the size of that city.在面积上这个城市是那个城市的两倍大。
This rope is three times the length of that one.
这根绳子是那根绳子的三倍长。
3、倍数+what从句
The width of the road is twice what it was three years ago.
这条路是三年前的两倍宽。
The production now is three times what it was five years ago.现在的产量是5年前的三倍。
4、倍数+比较级+than
I AM twice older than you.
我是你们的两倍大。
He has read three times more books than I have.
他读过的书是我读过的3倍多。
5、比较级+than…+by+倍数
The line is longer than that one by twice.
这根线是那根线的两倍长。
The time I spent is more than that，he spent by three times.
我花费的时间是他花费的时间的三倍。
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