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1. Oxford Dictionary

   micronutrient

   • IPA[ˌmʌɪkrə(ʊ)ˈnjuːtrɪənt]

   英式

   • n.
     a chemical element or substance required in trace amounts for the normal growth and development of living organisms.

   • noun: micronutrient, plural noun: micronutrients

2. • 更多解釋

   micronutrient

   • IPA[ˌmīkrōˈno͞otrēənt]

   美式

   • n.
     a chemical element or substance required in trace amounts for the normal growth and development ...

   Oxford American Dictionary