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Continue to Chat世界上最古老的金字塔-埃及萨卡拉金字塔 https://thinkerten.com/zh_CN/2020/03/09/%e4%b8%96%e7%95%8c%e4%b8%8a%e6%9c%80%e5%8f%a4%e8%80%81%e7%9a%84%e9%87%91%e5%ad%97%e5%a1%94-%e5%9f%83%e5%8f%8a%e8%90%a8%e5%8d%a1%e6%8b%89%e9%87%91%e5%ad%97%e5%a1%94/