发布时间:2020-08-07 13:23:02
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1.倍数表示法
a. 主语+谓语+倍数+ 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+ 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+ 形容词比较级+ than…
The grain output is 8 percent higher this year than that of last year.
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.
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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