Posted 2019-12-26OI 生活a few seconds read (About 26 words)北大集训 2019 游记咕咕咕 (当时为什么不想写呢?可能是前两天太自闭了。) 北大集训 2019 游记https://cekavis.site/ctt2019/AuthorCekavisPosted on2019-12-26Updated on2022-06-16Licensed under