vitamin D↓3

例句：

1. 1. Vitamin D3 is essential for bone health.
   维生素D3对于骨骼健康至关重要。
2. 2. The body needs vitamin D3 to absorb calcium from the diet.
   身体需要维生素D3来从饮食中吸收钙。
3. 3. Many people take vitamin D3 supplements to prevent seasonal affective disorder.
   许多人服用维生素D3补充剂以防止季节性情感障碍。