她因极度疲劳而感到不适。

She felt ill with ___exhaustion.

据说这位网球明星正遭受极度疲劳。

The tennis star is said to be suffering from ___exhaustion.

长途旅行因为身体上的极度疲劳而变得折磨人。

The long trip was gruelling because of physical ___exhaustion.