"retrace one's steps," figuratively, by 1896, from literal sense, with reference to hunted foxes, from back (adv.) + track (v.). Related: Backtracked; backtracking.
权威例句
1. We had to backtrack to the corner and cross the street.
我们不得不原路返回到拐角处过街。
2. Can we just backtrack a little bit and look at your primary and secondary education?
我们能不能回过头来谈谈你的小学和中学教育?
3. Air cargo loading problem by backtrack algorithm is solved.
用回溯算法解决飞机货舱装载问题.
4. Cleared to enter the runway and backtrack to the take - off point.
允许进跑道,做180到起飞位置.
5. A spate of negative stories and the government may backtrack.