enriched course

例句：

1. 1. The company has invested heavily in its research and development department to ensure its products are enriched with new technologies.
   该公司在研发部门投入了大量资金，以确保其产品具有新技术。
2. 2. The wealthy man is known for his generous donations to charities.
   这位富有的人因其对慈善事业的慷慨捐赠而闻名。
3. 3. The richness of the soil makes it ideal for growing crops that are enriched with essential nutrients.
   土壤的丰富性使其成为种植富含必要营养的作物的理想之地。