名词
中文翻译：Unknown
同义词：
['vitamin deficiency', 'malnutrition', 'undernutrition']
例句：
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1. The child was diagnosed with valinemia after a long illness.
这个孩子在长期患病后被诊断出患有维生素缺乏症。
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2. She developed malnutrition due to poor diet and lack of exercise.
由于饮食不佳和缺乏锻炼，她患上了营养不良。
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3. The elderly often suffer from undernutrition due to reduced physical activity.
老年人由于体力活动减少，常常遭受营养不良的困扰。