life-sustaining造句

1、Employee puts in hours of physical or mental labor and employee draws out life-sustaining moola.
雇员投入数小时的体力或脑力劳动来得到维持生计的薪水。

2、Our lungs fuel us with oxygen, the body's life-sustaining gas.
我们的肺给我们泵入氧气，我们维持生命的气体。

3、However, there is no clear definition of what constitutes a life-sustaining therapy.
然而，对维持生命的治疗的组成目前还没有清楚的界定。