nutritional deficiency的用法和樣例：
例句
- Nutritional marasmus is the most frequent form of PEM in cases of prolonged food shortage.
長時間食物匱乏最容易引發消瘦型營養不良，主要特徵為皮下脂肪和肌肉喪失。 - A severe deficiency can bring on combined spinal cord degeneration and associated brain diseases that also cause memory loss.
嚴重營養不良會導致脊髓變質，並引起有關的腦病，這也會造成記憶力的喪失。
