每日口說挑戰 【冷知識】水也會過期嗎？

今日挑戰句子

Well the water itself doesn’t have any sugars or proteins like food so microbes aren’t consuming it and rotting it. However, that’s not to say the chemistry of the water hasn’t changed.

水並不像食物一樣含有糖或蛋白質，所以微生物無法在其中滋生並使其腐壞，然而這並不代表水的化學性質沒有改變。