释义 |
mi·cro·nu·tri·ent AHD[mī'krō-no͞o′trē-ənt, -nyo͞o′-] D.J.[ˌmaɪkrəʊˈnuːtriːənt, -ˈnjuː-]K.K.[ˌmaɪkroˈnutriənt, -ˈnju-]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
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