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单词 punch card
释义
punch cardˈpunch card noun [countable] 1 (also ˈpunched card) a card with a pattern of holes in it that was used in past times for putting information into a computer2a card that some businesses give you that allows you to get something free or for a reduced price after you have used the business a certain number of times and have had a small hole put in the card each time
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更新时间:2024/9/22 6:55:28