ex.cur.sion
n.(名词)A usually short journey made for pleasure; an outing.远足:为寻找乐趣而做的短途旅行;远足A roundtrip on a passenger vehicle at a special low fare.优惠旅行:坐减价交通工具的旅行A group taking a short pleasure trip together.远足队,游览团:一起进行愉快的短期旅行的团体A diversion or deviation from a main topic; a digression.偏离正题:从主题上偏离或离开;离题Physics 【物理学】 A movement from and back to a mean position or axis in an oscillating or alternating motion.移动:从中间位置或轴线向外或向后的振荡或依次的运动The distance traversed in such a movement.行程:运动中所经过的距离
来源:Latin excursiô excursiôn- 拉丁语 excursiô excursiôn- from excursus [past participle of] excurrere [to run out] 源自 excursus [] excurrere的过去分词 [偏转] ex- [ex-] ex- [前缀,表.前任的,从前的.] currere [to run] * see kers- currere [跑] *参见 kers-