今日は中高生強化練習 https://energy.jp/blog/2015/11/03/%e4%bb%8a%e6%97%a5%e3%81%af%e4%b8%ad%e9%ab%98%e7%94%9f%e5%bc%b7%e5%8c%96%e7%b7%b4%e7%bf%92/