bolster [ˈbəʊlstə(r)]

以下由轻松背单词网站提供

n.枕垫；v.支持，鼓励

to support or improve something or make it stronger

The high interest rates helped to bolster up the economy. 高利率使经济更稳健。
He tried to bolster up their morale. 他尽力鼓舞他们的士气。