Sewage nutrients do increase algal growth in the harbour.污水中的营养物确实会加快港口的海藻生长。Non-fat dairy products supply the needed nutrients without excessive calories.脱脂乳制品能提供身体所需的营养，而不含过多的热量。Nutrients from the digested food can be ...
Minerals in general are not nearly so well absorbed as other nutrients...总体来说，矿物质远远不如其他营养成分好吸收。Thus only the metabolizable portions of a feedstuff can provide energy and essential nutrients.因此,只有饲料的可代谢部分可提供能量和必需的养分.Non-f...