retrace [rɪˈtreɪs]

以下由轻松背单词网站提供

vt.折回；追溯，探源

to go back over something, for example a path or a series of past actions

He retraced his steps to the spot where he'd left the case. 他折回到他丢下箱子的地方。
You must retrace your steps. 你必须折回原来走过的路。