vitamine B↓2

例句：

1. 1. Vitamin B2 is essential for maintaining good health.
   维生素B2对保持健康至关重要。
2. 2. The patient was given a vitamin B2 supplement to help with his fatigue.
   患者被给予维生素B2补充剂以帮助缓解疲劳。
3. 3.The research found that vitamin B2 deficiency can lead to eye problems.
   研究发现，维生素B2缺乏可能导致眼部问题。