Personal life
Sunday, October 13, 2013
爱因斯坦 磁軌砲
http://zh.wikipedia.org/wiki/%E9%98%BF%E5%B0%94%E4%BC%AF%E7%89%B9%C2%B7%E7%88%B1%E5%9B%A0%E6%96%AF%E5%9D%A6
http://zh.wikipedia.org/wiki/%E7%A3%81%E8%BB%8C%E7%A0%B2
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