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[audioFiles]2016m8x/audio_ezfj_ezflisteningd_201607_197[/audioFiles] Water

游客2024-09-18  50
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答案     Water
    Water is a vital component of our diets, / even though it’s not considered a specific nutrient. / Water makes up 50 to 70 percent of an adult’s total body weight. / Without regular top-ups, our body’s survival time is limited to a matter of days. /
    Water is essential for the body’s growth and maintenance. / For example, it helps get rid of waste and regulates temperature, / and it provides a medium for biological reactions to occur in the body. /
    Water is lost from the body through urine and sweat, / and must be replaced through the diet. / If you don’t consume enough water, your kidneys suffer, / causing symptoms such as headaches, tiredness and loss of concentration. / Most healthy adults need between 0.5-3 litres a day, / so aim to drink 6-8 medium glasses of fluid daily. / Beverages such as tea, coffee and fruit juices count towards fluid intake, / and may bring with them other nutrients or benefits. /
解析     水
   水是饮食中重要的成分。一个成年人体重的50％一70％由水组成。水是人体成长和维持身体机能所必需的。例如，它帮助排出废物，调节体温，并为身体内的生理反应提供介质。水通过尿液和汗液排出体外，必须通过饮食补充。如果没有喝下足够的水，肾脏就会受损。
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