清潔幹淨的食用水，良好的公共衛生環境，充足完善的營養，是保證身體健康避免疾病的主要方法和途徑。

來源: 醫者意也於 2015-12-27 07:36:35 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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