degree of exhaustion

例句：

1. 1. Themarathon runner was exhausted after the longrace.
   马拉松跑者在漫长的比赛中筋疲力尽。
2. 2. She felt completely drainedafter a long day at work.
   她工作了一整天后感到非常疲惫。
3. 3. Theteam's performance droppedsignificantly after losing their key player.
   球队失去了关键球员后表现大幅下降。