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每当夜晚,室中浮云密集,大地一片黑暗时,在玻利維亚的戈郁伯湖却可以看到閃爍繁星,这是怎么回事呢?原
Whenever there is a dense cloud in the room and the earth is dark, you can see the twinkling stars in the lake Goryob in Bolivia. What’s going on here?