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微量元素 /wēiliàng yuánsù/ meaning in English

ChineseEnglish
微量元素 /wēiliàng yuánsù/ noun

micronutrient(essential mineral or vitamin)
noun

trace element [trace elements](chemical element in an organism’s diet)
noun
[UK: treɪs ˈel.ɪ.mənt] [US: ˈtreɪs ˈel.ɪ.mənt]