ceravital

例句：

1. 1. The elderly man has a ceravital to keep him active and healthy.
   这位老人拥有一种生命力使他保持活跃和健康。
2. 2.The plant's ceravital is what gives it its unique fragrance.
   这种植物的生命力赋予了它独特的香味。
3. 3. The scientist discovered that the ceravital in this food can boost one's immune system.
   科学家发现这种食物中的生命力可以增强一个人的免疫系统。