3) devote v
devote oneself / sth. to sb / sth.他一生促进世界和平的发展。 He devoted his life to
promoting/ the promotion of the world peace. 刘胡兰把生命奉献给了祖国。 Liu Hulan devoted her life to our country. 他所有的余闲都花在学英语上。 He devotes all his spare time to learning English.