n.[U]

1. 营养，滋养
   Because of his poor nutrition, he has grown weaker and weaker.

   他因为营养不良，身体越来越虚弱。

2. 营养物，滋养物，食物
3. 营养学

n.

1. the process of ingesting and assimilating nutrients.
   ▸food; nourishment.
2. the branch of science concerned with nutrients and their ingestion.