英语释义
1. a condition of chronic undernourishment occurring especially in children and usually caused by a diet deficient in calories and proteins
2. severe malnutrition affecting infants and children especially of impoverished regions that is characterized by poor growth, loss of subcutaneous fat, muscle atrophy, apathy, and pronounced weight loss and is usually caused by a diet deficient in calories and proteins but sometimes by disease (as dysentery or giardiasis)