/ˈnjuːtrɪənt/
a substance that is needed to keep a living thing alive and to help it to grow 营养素；营养物
a lack of essential nutrients
基本营养的缺乏
Plants draw minerals and other nutrients from the soil.
植物从土壤中吸取矿物质和其他养分。
children suffering from a serious nutrient deficiency
严重缺乏营养的儿童