microelement trace element tracer element
Kelp is rich in vitamins and trace elements.
大型褐藻富含维他命和微量元素。
—— 给力词典精选Certain other elements are needed in trace amounts for cell metabolism.
细胞的新陈代谢还需某些其它的微量元素。
—— 辞典例句Trace element mixes serve as insurances.
微量元素只是作为一种保障措施。
—— 辞典例句In summary, minor element deficiencies do not presently appear to be seriously limiting soybean yields.
概括地说, 缺少微量元素不能即刻显现出严重地限制大豆产量。
—— 辞典例句Why is Trace Mineral Supplementation important to Dry Cows?
为何补充微量元素对妊娠母牛十分重要?
—— 给力词典精选