vitamine B↓1↓2

例句：

1. 1. The deficiency ofvitamin B1 can lead to beriberi.
   维生素B1的缺乏会导致脚气病。
2. 2. The elderly need more vitaminB2 to maintain their health.
   老年人需要更多的维生素B2来保持健康。
3. 3. Abalanced diet is essential for maintaining good healthand preventing vitamin B1 and B2deficiencies.
   均衡的饮食对于保持良好的健康状态和预防维生素B1和B2缺乏至关重要。