已經形成的估計難。預防據說練腳趾夾毛巾, 踮腳尖, 腳心用球滾，效果有多大就不知道了。

來源: pickshell 於 2019-09-22 08:50:45 [舊帖] [給我悄悄話] 本文已被閱讀：次

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