retrace
verb- retrace something
to go back along exactly the same path or route that you have come along 沿原路返回；折回 - retrace something
to make the same trip that somebody else has made in the past 重走（别人走过的路线） They are hoping to retrace the epic voyage of Christopher Columbus. 他们期待着沿哥伦布的壮丽航程进行一次航行。 - (figurative)
Her mind retraced (= remembered) the dramatic events of the previous night. 她回想起前一天晚上发生的戏剧性事件。
- retrace something
to find out what somebody has done or where they have been 追溯；找出；回顾
Word Originlate 17th cent.: from French retracer.