名词中文翻译
中文翻译：四倍
同义词：
['fourfold', 'four-fold']
例句：
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1.The number of students in the class is four times as many as last year.
这个班级的学生人数是去年的四倍。
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2.The cost of the new product is four times that of the old one.
新产品的成本是旧产品的四倍。
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3. The amount of money we have is four times that of what we need.
我们拥有的钱是我们需要的四倍。