vitligo

例句：

1. 1. Vitligo is essential for good health.
   维生素对健康至关重要。
2. 2.She took a vitamin supplement to boost her immune system.
   她服用了维生素补充剂来增强免疫系统。
3. 3. The food was lacking in vitamins, so she decided to buy some supplements.
   食物缺乏维生素，所以她决定买一些补充剂。