pat = to walkcrastin = tomorrowflig = to driveart = skill（技巧），art（技术）acerb = bitter,harshbil = strongfusc = dark词根 rat,ratio = to reckon（推定），reason（理由；理前缀ig- = not 不,无,非,否前缀ne- = not 不,无,非,否前缀neg- = not 不,无,非,否词根seism，seismo = seism 地震词根gubern，govern = govern 管理,统治词根esti,este = value 价值词根colon = inhabit 栖息词根advance，advant = before/in front of 前，在前词根athl = contest 竞赛词根all,allo = other,different 异词根nucle,nucl,nucleo = kernel 核词根selen,seleno,seleni = moon 月亮