剑桥词典added to the end of words referring to an activity or event , especially one that has been organized to raise money for charity , to show that it continues for a long time 词缀，表示持续时间很久的活动（尤指慈善筹款活动） a 24-hour dance-athon 24小时长时间的跳舞 a walkathon 步行马拉松 返回 -athon