devote

She decided to devote her entire life to helping orphaned children in war-torn regions.

(Chinese) 她决定将一生奉献给帮助饱受战争蹂躏地区的孤儿。

The scientist devoted ten years to researching a more efficient type of solar panel.

(Chinese) 这位科学家投入了十年时间研究一种更高效的太阳能电池板。