博文
School-less in Seattle
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Once in a blue moon, there is a BIG snow in Seattle, as it happened yesterday. The kids had fund with the heavy snow, and missed the school for the second day...
https://blog.sciencenet.cn/blog-306792-530371.html
上一篇：SOPA and PIPA
下一篇：Students are braver than "doctors"
https://blog.sciencenet.cn/blog-306792-530371.html
上一篇：SOPA and PIPA
下一篇：Students are braver than "doctors"
