nu·tri·ent /ˈnjuːtrɪənt/ a. | n.I a. 营养的,滋养的 Magnesium is the nutrient element in plant growth. 镁是植物成长所需的营养要素。 II n. 营养品,滋养物;食物 The roots transmit moisture and nutrients to the trunk and branches. 根将水分和养料输送到干和枝。 a diet rich in nutrients 富于营养的饮食 [<L nūtrīre to nourish]