backtrack
英 [ˈbæk.træk]
美 [ˈbæk.træk]
- vi. [计] 回溯；由原路返回；放弃
- vt. 追踪；循迹调查
记忆方法
将“backtrack”分解为“back”和“track”。想象自己回到了（back）原先的路线（track），需要回头走（trace）或回顾（trace）之前的步伐或步骤。这种方法通过动作和情景帮助你记忆单词的含义，即“回头追溯”或“回顾”。
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英语词源
- backtrack (v.)
- "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.
- 一旦负面消息大量出现政府就会走回头路.