今天pm2.5是313
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没事，我已经下载了<免疫系统中国北京特别版V3.10.2.＞----Nowadays the universities have been commercial,with various activities making everybody tired.However,only in Beijing Jiaotong University,can you sit on the grass to look up at the starry sky,or ride east to the beach,seeing the time flowing slowly,to pick up the scattered memories.
没事，我已经下载了<免疫系统中国北京特别版V3.10.2.＞----Nowadays the universities have been commercial,with various activities making everybody tired.However,only in Beijing Jiaotong University,can you sit on the grass to look up at the starry sky,or ride east to the beach,seeing the time flowing slowly,to pick up the scattered memories.
2010/5/17 11:16:28