不理解現在的人牙齒為什麽這麽糟糕，我從不看牙醫但牙卻很好。是牙不好才常看牙醫，還是常看牙醫所以牙不好？

來源: 羽衣甘藍於 2017-02-19 05:08:29 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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