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A former nuclear weapons center is now a wildlife refuge. 美国一处前核武器工厂现在成为了野生动物保护区。 The United States Fish and Wildlife Service officially opened the Rocky Flats National Wildlife Refuge in Colorado last we
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The Romans also flavored their wine with lead, which may be part of the reason they are not the force they used to be. 罗马人也用铅来给酒调味，这也许是他们不再像以往那样强大的部分原因。 As we have seen elsewhere, our
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And what happened was -- when we get in to chapter two of the nuclear threat era, which started back in 1945. 而现实是当我们进入1945年开始的核威胁时期的第二阶段 Chapter two starts in 1991. 第二个阶段是从1991年开始的
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