她将一生奉献给帮助他人。

She has ___dedicated ___her ___life ___to helping others.

我对这些事务感兴趣，但由于时间不足，我未能将自己奉献给这项调查。

I have been interested in these matters but due to my lack of time, I haven't been able to ___dedicate ___myself ___to this investigation.

他决定将一生奉献给科学研究。

He decided to ___dedicate ___his ___life ___to scientific research.