警惕身体缺水的十大信号

First, an adult needs at least 1,200 milliliters of water every day, which is two bottles of mineral water.
首先，成年人每日需饮水至少1200毫升，也就是两瓶矿泉水。

Second, it takes 21 minutes for water to enter the cells of the body, therefore, drinking water a half an hour before a meal aids digestion.
其次，水进入全身细胞需要21分钟，所以饭前半小时喝水，有助于消化。