bentiamine

例句：

1. 1. Vitamin B12 deficiency can lead to anemia.
   维生素B12缺乏会导致贫血。
2. 2. The elderly need more vitamin B12 to maintain their health.
   老年人需要更多的维生素B12来保持健康。
3. 3. The supplement containing vitamin B12 is recommended for people with poor absorption of iron.
   含有维生素B12的补充剂推荐给铁吸收不良的人。