她因极度疲劳而感到恶心。

She felt sick with ___exhaustion.

据说那位网球明星正遭受极度疲劳。

The tennis star is said to be suffering from ___exhaustion.

想象一下在酷热中在城市里走了几天后我们的极度疲劳。

Imagine our ___exhaustion after a few days walking around the city in the heat.