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水是生命的源泉,人体由25%的溶质和75%的水构成,大脑组织85%是水,没有任何一种物质能像水一样全方位参与人体生命活动。人可三天不吃,但不可一日无水,水与人体的健康息息相关。
Water is the source of life. The human body is composed of 25% solutes and 75% of water, and 85% of brain tissue is water. No substance can participate in human life activities in the same way as water. People may not eat for three days, but they must not be waterless. Water is closely related to the health of the human body.