The hospital needs more blood donors right now.

医院现在需要更多的献血者。

She is one of the charity's main donors.

她是这一慈善机构的主要捐赠者之一。

The donors can be split – a little crudely – into two groups.

捐献者们可以分成–大致地–两个组。

He urged donors to step up their efforts to send aid to Somalia.

他敦促捐赠者再接再厉，将救援物资送往索马里。

Some galleries commemorate donors by inscribing their names on the walls.

一些展览馆把捐赠者的名字刻在墙上以纪念他们。

I hope all of us can be as generous and elect to become organ donors.

我希望我们大家都能一样慷慨，选择成为器官捐献者。