malnutritional amenorrhea

例句：

1. 1. The child was malnutritional due to a lack of food and water.
   由于缺乏食物和水，这个孩子营养不良。
2. 2. Malnutritional diets can lead to serious health problems.
   营养不良的饮食可能导致严重的健康问题。
3. 3. The elderly should be given malnutritional supplements to ensure they receive enough nutrients.
   老年人应该得到营养补充剂，以确保他们获得足够的营养。