名词
中文翻译：Unknown
同义词：
['count', 'quantity', 'magnitude例句：1. The number of students in the class is 20.（班上的学生人数是20。）2. The total number of items sold was 500.（总共卖出了500件商品。）']
例句：
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1. The number of students in the class is 20.
班上的学生人数是20。
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2. The total number of items sold was 500.
总共卖出了500件商品。
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3. The number of people who signed up for the event was over 1000.
报名参加该活动的人数超过1000。