学以致用的时候到了,可是已经背不出来了。
Jun 26, 2020 Jun 26, 2020 https://d2t.bkseeker.com/%e5%ad%a6%e4%bb%a5%e8%87%b4%e7%94%a8%e7%9a%84%e6%97%b6%e5%80%99%e5%88%b0%e4%ba%86%ef%bc%8c%e5%8f%af%e6%98%af%e5%b7%b2%e7%bb%8f%e8%83%8c%e4%b8%8d%e5%87%ba%e6%9d%a5%e4%ba%86%e3%80%82-2