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水对人体至关重要 水是人体内含量最多的物质,也是构成人体组织的主要成分,约占人体重的60％,儿童可高达70％～80％。水是人体进行生理机能活动的基本要素之一,它直接参与
Water is essential to the human body Water is the most abundant substance in the human body. It is also a major component of human tissues, accounting for about 60% of human body weight and up to 70% -80% in children. Water is one of the basic elements of the body’s physiological activity and it is directly involved