the state of being very thin and weak, usually because of illness or extreme hunger

In spite of the fact that the patient eats well, the disease causes emaciation. 尽管病人吃得好，这种病还是会导致消瘦。

Chronic wasting disease in cattle causes severe emaciation and eventually death. 牛的慢性消耗性疾病导致严重消瘦，最终死亡。