cobalamin

例句：

1. 1. Cobalamin is essential for the proper functioning of the human body.
   钴胺素对人体的正常功能至关重要。
2. 2. The patient's diet was severely lacking in cobalamin, which led to severe health problems.
   患者的饮食严重缺乏钴胺素，导致严重的健康问题。
3. 3. Cobalamin deficiency can lead to anemia and other serious medical conditions.
   钴胺素缺乏可能导致贫血和其他严重的医疗状况。