re·traceBrE/rɪˈtreɪs/NAmE/rɪˈtreɪs/verbpresent simple - I / you / we / theyretraceBrE/rɪˈtreɪs/NAmE/rɪˈtreɪs/present simple - he / she / itretracesBrE/rɪˈtreɪsɪz/NAmE/rɪˈtreɪsɪz/past simpleretracedBrE/rɪˈtreɪst/NAmE/rɪˈtreɪst/past participleretracedBrE/rɪˈtreɪst/NAmE/rɪˈtreɪst/ -ing formretracingBrE/rɪˈtreɪsɪŋ/NAmE/rɪˈtreɪsɪŋ/~sthtogobackalongexactlythesamepathorroutethatyouhavecomealong沿原路返回;折回◆Sheturnedaroundandbegantoretraceherstepstowardsthehouse. 她转身沿原路向那栋房子走去。~sthtomakethesametripthatsbelsehasmadeinthepast重走(别人走过的路线)◆TheyarehopingtoretracetheepicvoyageofChristopherColumbus. 他们期待着沿哥伦布的壮丽航程进行一次航行。~sthtofindoutwhatsbhasdoneorwheretheyhavebeen追溯;找出;回顾◆Detectivesaretryingtoretracehermovementsonthenightshedisappeared. 侦探们试图查出她失踪当晚的行踪。