disperse [d??sp??s] v. 分散；散开
例句　The crowd dispersed when the police arrived.
当警察赶到时人群四下散去了。
翻译　in an attempt to disperse the crowd（试图疏散人群）
同义替换　scatter v. 分散，散开 decentralize v. 使分散；疏散
elevate [?el?ve?t] v. 举起；提升；使精神振奋；提升……的职位
拆分　e（出）+ lev（升）+ ate（使……）→使上升；提高
例句　The good news elevated everyone’s spirits.
这个好消息使每个人精神振奋。
衍生　 elevator n.电梯；升降机
翻译　I want to elevate the living standards（我渴望提高生活水平）, but the first step is to earn more money.
同义替换　inspire v.鼓舞；激励 encourage v. 激励 lift v.举起；举高promote v. 促进；提升 upgrade v. 提升