Archive for 10月, 2018

10月 15th, 2018

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Posted in 日常 by freecolor

转推

感受到专业性的压力

10月 14th, 2018

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Posted in 日常 by freecolor

合着我们小时候学的知识这么多都是假的啊,地动仪,司南,北京猿人,活字印刷…zhihu.com/question/273591