事实上，将柠檬水放在冰箱里有助于保持其新鲜和口感。然而，建议将柠檬水在24小时内饮用完毕，因为柠檬水在时间过长后可能会失去一些营养价值和味道。此外，如果你注意到柠檬水的颜色或味道发生明显的变化，或者出现异味，最好不要继续饮用。
柠檬水可以放在冰箱里隔夜，第二天依然可以喝。事实上，将柠檬水放在冰箱里有助于保持其新鲜和口感。然而，建议将柠檬水在24小时内饮用完毕，因为柠檬水在时间过长后可能会失去一些营养价值和味道。此外，如果你注意到柠檬水的颜色或味道发生明显的变化，或者出现异味，最好不要继续饮用。
In English: You can put the lemon water in the refrigerator overnight, and it can still be consumed the next day. In fact, refrigerating lemon water helps to keep it fresh and maintain its taste. However, it is recommended to consume lemon water within 24 hours, as it may lose some nutritional value and flavor over time. Additionally, if you notice any significant changes in color or taste, or if it has an unusual smell, it is best not to consume it.