那些年，数学老师拍着黑板冲我们喊：约吗！约不约！！！
May 24, 2019 May 24, 2019 https://d2t.bkseeker.com/%e9%82%a3%e4%ba%9b%e5%b9%b4%ef%bc%8c%e6%95%b0%e5%ad%a6%e8%80%81%e5%b8%88%e6%8b%8d%e7%9d%80%e9%bb%91%e6%9d%bf%e5%86%b2%e6%88%91%e4%bb%ac%e5%96%8a%ef%bc%9a%e7%ba%a6%e5%90%97%ef%bc%81%e7%ba%a6%e4%b8%8d
