蛋白质是人体必需的营养素。

Protein is an essential nutrient for the human body.

钾碱是植物生长所必需的营养素。

Potash is an essential nutrient for plant growth.

这种胶囊含有必需的营养素。

This capsule contains essential nutrients.

她的饮食缺乏必要的营养素。

Her diet has a deficiency in essential nutrients.

菠菜富含钾和其他必需营养素。

Spinach is rich in potassium and other essential nutrients.

色氨酸是人体必需的营养素之一。

Tryptophan is one of the essential nutrients for the human body.

磷酸盐是植物生长所必需的营养素。

Phosphate is an essential nutrient for plant growth.

了解每种微量营养素的作用对营养至关重要。

Understanding the role of each micronutrient is crucial for nutrition.

蔬菜是重要微量营养素的极好来源。

Vegetables are a great source of essential micronutrient.

基础饮食应包括所有必需的营养素。

The basal diet should include all essential nutrients.