“营养物”的英语？

污水中的营养物确实会加快港口的海藻生长。Sewage nutrients do increase algal growth in the harbour.这个永远黑暗的地方蕴藏着很多料想不到的营养物.The permanent gloom held an unexpected pocket of nutrition.脑对于从血液中取走哪些营养物是有选择的.The brain is selective about which nutrie...