the act of taking a sick or injured person to a hospital in a helicopter or plane; the aircraft that is used in this situation

a medevac helicopter 一架医疗救护直升机

When you see your first medevac you realize war is not a glorious thing. 当你第一次看到伤员撤退直升机时，你就会意识到战争并没有什么可以称颂的地方。

They radioed for a medevac. 救护直升机上的医护人员成功使他苏醒过来。

The paramedics in the medevac were able to revive him. 救护直升机上的医护人员能够帮助他醒过来。

to take an injured or sick person to a hospital in a helicopter or plane

We'll have to medevac him to a hospital that has a specialist. 我们得用救护直升机把他送到有专科医生的医院。