名词
中文翻译：Unknown
同义词：
['count', 'quantity', 'amount', 'magnitude', 'multitude', 'multitude of']
例句：
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1.The number of students in the class is 30.
班级里的学生有30个。
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2. The number of cars on the road has doubled since last year.
路上的汽车数量比去年增加了一倍。
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3.The number of votes for candidate A is higher than that for candidate B.
候选人A获得的票数比候选人B多。