详细解释:n. 微量营养素
【机】 微量营养
英语解释：
名词 micronutrient:
a substance needed only in small amounts for normal body function (e.g., vitamins or minerals)详细解释：
mi.cro.nu.tri.ent
n.（名词）A substance, such as a vitamin or mineral, that is essential in minute amounts for the proper growth and metabolism of a living organism.微量养料；微量营养元素：一种对生物的正常生长和新陈代谢极其重要的微量物质，如一种维生素或矿物质