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 Course 3 > Grammar > Part of Speeck > Numeral > Countable and Uncountable       │TextExercises
 
    表示倍数的常用句型有下列几种,如:
  1. … times + n./pron.
  e.g. The earth is 49 times the size of the moon.
     The volume of the sun is about 1,300,000 times that of the earth.

  2. … times + as + adj./adv.
  e.g. It is four times as big as Europe.
    We have three or four times as many as we can use.

  3. … times + comparative + (than)
  e.g. The output of steel was more than 2.5 times greater.
    This car runs three times faster than that one.

  4. v. + (by) + … times
  e.g. During this period, its territory increased five times.(扩大了4倍,是原来的5倍)
    Since 1970, the town has expanded by three times.

  表示两倍的数一般用twice,如:
  He runs twice as fast as his brother does.

 

 

 

 

 

 

 

 

 

 

 
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