ascorbic acid

例句：

1. 1.Vitamin C is essential for good health.
   维生素C对健康至关重要。
2. 2. She took vitamin C supplements to boost her immune system.
   她服用维生素C补充剂来增强免疫系统。
3. 3. The antioxidant properties of vitamin C make it an effective way to prevent diseases.
   维生素C的抗氧化性质使其成为预防疾病的一种有效方法。