然而，就在这段时间里，美国科学家协会下载了一份该文件的副本，至今还把它放在其网站上。

However, in that time a copy of the document was downloaded by the Federation of American Scientists and remains accessible on its website.

youdao

然而，就在这段时间里，美国科学家协会下载了一份该文件的副本，至今还把它放在其网站上。

However, in that time a copy of the document was downloaded by the Federation of American Scientists and remains accessible on its website.

youdao