wasting disease
noun [ C usually singular ] uk/ˈweɪ.stɪŋ dɪˌziːz/ us/ˈweɪ.stɪŋ dɪˌziːz/
消耗性疾病
a disease that causes a person to gradually become very thin and weak
She suffers from a little-known muscle-wasting disease. 她患上了一种鲜为人知的肌肉萎缩疾病。