名词
中文翻译：数字
同义词：
['count', 'number', 'quantity']
例句：
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1. The teacher asked us to count the students in the classroom.
老师让我们数一下教室里的学生。
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2. She counted all the pens on the desk.
她数了桌上所有的钢笔。
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3. We need to keep track of the numbers to avoid overselling.
我们需要跟踪数字以避免过度销售。