retrace

retrace
verb
  1. [with obj.]go back over (the same route that one has just taken)
    顺(原路)返回
    he began to retrace his steps to the station car park.
    他开始顺原路返回车站停车场。
    ■discover and follow (a route or course taken by someone else)
    跟踪(另一人走过的路线)
    I've tried to retrace some of her movements.
    我试图跟踪她的一些活动。
    ■trace (something) back to its source or beginning
    追溯;溯源
    I wanted to retrace a particular evolutionary pathway.
    我想弄清进化的一种特定途径。
语源
  1. late 17th cent.: from French retracer
英语宝典
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