名词
中文翻译：数量
同义词：
['amount', 'quantity', 'count']
例句：
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1. We need to keep track of the number of people attending the meeting.
我们需要记录参加会议的人数。
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2. The store has a large selection of items, but only a few are in stock.
这家商店有很多商品，但只有少数是现货。
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3. The teacher asked us to tally up the numbers on the board.
老师让我们把黑板上的数字加起来。