营养素在生命周期的成长与健康中所扮演的角色。
The role of nutrition in growth and health through the life cycle.
阿斯巴甜、甜蜜素、纽甜……很多都危及到人体健康甚至生命。
Aspartame, sweet, new sweet... Many are endanger human body health and even life.
营养素对人体生命和运转是必要的。
Nutrients are necessary for the life and working of the body.
爷爷现在每天都靠输营养素维持生命。
Grandpa is living on injected nutrients every day to maintain life.
甲壳素与人类的生命有着密切的关系。
维生素是我们不能缺少的生命元素。
食物是热量和营养素的来源，人类赖以维持生命。
Food is essential for human life because it is the source of energy and nutrients.
食物是热量和营养素的来源，人类赖以维持生命。
Food is essential for human life because it is the source of energy and nutrients.
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