nutrient balance

例句：

1. 1.Maintaining a balanced diet is essential for good health.
   保持均衡饮食对健康至关重要。
2. 2.The doctor advised her to maintain a nutrient balance in her diet.
   医生建议她的饮食要保持营养平衡。
3. 3. Nutritional balance is crucial for the growth and development of children.
   营养平衡对于儿童的成长和发展至关重要。