mother teresa devoted all her life填空helping the poor.

及物动词 vt.
1.将...奉献(给)[(+to)]
He devoted himself to writing.
他专心写作.
He was still devoted to the study of chemistry.
他仍专心致力于化学研究.
He has devoted his whole life to benefiting mankind.
他把一生都献给了造福人类的事业.
2.把...专用(于)[(+to)]