"We realized in the mid-1970s that it was missing," says Effie Kapsalis, head of the Smithsonian Institution Archives.
2018年6月四級真題（第二套）閱讀 Section C
The FBI worked closely with the Archives to determine that the letter was both authentic and definitely Smithsonian's property.
2018年6月四級真題（第二套）閱讀 Section C
柯林斯高階英漢雙解學(xué)習(xí)詞典釋義
N-COUNT
檔案;史料;記錄;檔案館
The archive or archives are a collection of documents and records that contain historical information. You can also use archives to refer to the place where archives are stored.