vindesine

例句：

1. 1. Vitamin D3 is essential for bone health and can help prevent osteoporosis.
   维生素D3对于骨骼健康至关重要，可以帮助预防骨质疏松症。
2. 2.The elderly often need extra vitamin D3 to maintain their immune system.
   老年人通常需要额外的维生素D3来维持他们的免疫系统。
3. 3.Researchers are studying the effects of vitamin D3 supplementation on mental health.
   研究人员正在研究维生素D3补充对心理健康的影响。