card-index
柯林斯词典
1. N-COUNT A card index is a number of cards with information written on them which are arranged in a particular order, usually alphabetical, so that you can find the information you want easily. 卡片索引
Then he turned to the card index and tore out the entry for Matthew Holmwood. 接着他转向卡片索引,撕下了有关马修·霍姆伍德的条目。
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