bolster
/ˈbəulstə(r); `bolstɚ/ n
long pillow, usu shaped like a roll, across the head of a bed （床头上的）长垫枕. bolster, v [Tn, Tn.p]
~ sb/sth (up) give support to sb/sth; strengthen or reinforce sth 支持某人[某事物]; 加强某事物
bolster sb's morale/courage 提高某人的士气[增加某人的勇气]
It bolstered my belief that......加强了我的信念.
The government borrowed money to bolster up the economy. 政府借贷以促进经济发展.