nutrition concentration的用法和樣例：
例句
- By Colleen Hurley, RD, Certified Kids Nutrition Specialist Iron is one of the most important nutrients in an infants diet.
科林赫爾利，已獲認證的兒童營養專家，在嬰兒飲食中，鐵是最重要的營養物質之一。 - Phytoplankton growth is the key factor controlling the concentration of nutrient and carbon cycling in the surface sea water.
浮游植物生長是影響表層海水中營養物質濃度和碳循環的關鍵因素。
