单词：united states national library of medicines
(united states national library of medicine 的复数)
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In 1897, the Library moved to its own building across the street from the Capitol. Today, three buildings hold the library's collection. 1897年，图书馆移至它自己的大楼内，与国会大厦隔街相望。如今，三幢建筑收藏着图书
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