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[科学美国人技术系列] 60秒科学:科学家发现最古老的石窟艺术
录音原文Cave painting connects us with our prehistoric artist ancestors. But there’s a dearth of such illustration in the Americas. Now a cave in Brazil has been found to house the oldest New W2012-02-28 编辑:beck
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2012-02-28 编辑:beck