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数词的用法

作者: admin来源: 网络文章 时间: 2013-03-28

1)倍数表示法
a. 主语+谓语+倍数(或分数)+ as + adj. + as
I have three times as many as you. 我有你三倍那么多。


b. 主语+谓语+倍数(分数)+ the size (amount,length…) of…
The earth is 49 times the size of the moon. 地球是月球的49倍。


c. 主语+谓语+倍数(分数)+ 形容词副词)比较级+ than…
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%。


d. 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。


2)分数表示法
构成:基数词代表分子,序数词代表分母。分子大于1时,分子的序数词用单数,分母序数词用复数:
1/3 one-third ; 3/37 three and three-sevenths.

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