王建硕的博客
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Sun Rise Observation in Shanghai
原文英文，约200词，阅读约需1分钟。
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内容提要
From WolframAlpha, I know today, the sun rises at 5:08 AM. So I waked up earlier, and put myself to the top of my 18-story building, and wait for the sun rise. We are used to observe sun rise or...
