名詞 exhaustion:

1. extreme fatigue
2. serious weakening and loss of energy
   同義詞：debilitation, enervation, enfeeblement
3. the act of exhausting something entirely

1. Flu is an infectious disease characterized by fever, aches and pains and exhaustion.
   流感是一種傳染病，其特征是發(fā)熱、全身疼痛和疲乏無力。
2. Finally reached the point of exhaustion.
   終于到達(dá)筋疲力盡的程度
3. He is in a state of exhaustion.
   他在疲憊狀態(tài)中。
4. The mine was closed owing to exhaustion.
   這個煤礦因礦源枯竭而被關(guān)閉。

ex.haus.tion

n.（名詞）
The act or an instance of exhausting.
排出：排除的行為或事例
The state of being exhausted; extreme fatigue:
精疲力竭：被耗盡的狀態(tài)；極度疲勞：
例句：
The runner collapsed from exhaustion.
那個奔跑的人因?yàn)闃O度疲勞倒下了