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英语听力：自然百科 穿越银河系的旅行 Through Milky Way—30

We've transported the earth 3 billion years into the future. The sky is dominated by a massive galaxy called Andromeda. The view looks peaceful enough. But whats about to happen is one of the greatest calamities in the universe. The clues lie in thes

发表于:2019-01-22 / 阅读(68) / 评论(0) 分类 自然百科2011年

英语听力文摘 English Digest 434、人类听不见的声音

The Lowest Note in the Universe 宇宙中的最低音 It's coming from a black hole in the Perseus Cluster, about two hundred fifty million light years away. A black hole？And outer space？That makes sound? Whats happening out there is that interga

发表于:2019-02-16 / 阅读(53) / 评论(0) 分类 英语听力文摘 English Digest
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