boosting/buːst/动词改善;提高;增强;推动I tried to boost his morale by praising his cooking.我试图通过称赞他的烹饪技艺来振奋他的士气。/buːst/名词改善;提高;增强;推动Passing my driving test was such a boost to my confidence.通过了驾照考试使我自信心大增。想跟读,去练习