词根是:effect 英[ɪˈfekt] 美[ɪˈfɛkt] n. 效果; 影响; 印象; 所有物; vt. 使发生; 引起; 产生(效果) 短语是:have an effect on sth 意思是:对。。。产生效果例句: The storm had a bad effect on the baby, who cried all night. Will this have an effect on mytaxes?