nutrients required per kg of milk

例句：

1. 1. The body needs a variety of nutrients to function properly.
   身体需要各种营养素来正常运作。
2. 2. A balanced diet is essential for maintaining good health.
   均衡饮食对于保持健康至关重要。
3. 3. The plant provides various nutrients that are beneficial for human health.
   这种植物提供了对人类健康有益的各种营养物质。