膝關節不好的話騎自行車也不錯，家裏可以弄個stationary bike. 我也不喜歡遊泳池的水。

來源: viewfinder 於 2014-06-12 15:19:40 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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