英 [ˈbæktræk] 美 [ˈbæktræk]
vi. [计] 回溯；由原路返回；放弃
vt. 追踪；循迹调查
第三人称单数backtracks
现在分词backtracking
过去式backtracked
过去分词backtracked
backtrack /ˈbækˌtræk/ [ backtracking backtracked backtracks ]
不及物动词 If you backtrack on a statement or decision you have made, you do or say something that shows that you no longer agree with it or support it. 改变主意
The committee backtracked by scrapping the controversial bonus system.
该委员会改变主意，废除充满争议性的奖金系统。
His arrest sparked fears that the country was backtracking on market reforms.
他被捕一事引起恐慌，国家有关市场改革政策可能会有变动。
不可数名词
He promised there would be no backtracking on policies.
他保证不再改变政策上的决定。
不及物动词 If you backtrack, you go back along a path or route you have just used. 由原路返回
Leonard jumped in his car and started backtracking.
里欧纳德跳上车，原路返回。
We had to backtrack to the corner and cross the street.
我们必须退回转角，然后过马路。
不及物动词 If you backtrack in an account or explanation, you talk about things which happened before the ones you were previously talking about. 回溯
Can we just backtrack a little bit and look at your primary and secondary education?
我们能否稍微回顾一下刚刚提及的你的中小学教育背景？
retrace one's course
同义词： turn back / double back
反退
回溯
体现这一 思想的最主要的算法就是基本回溯（BackTrack，BT）算法。BT 算法保证在有解 的情况下找到解，或者证明问题无解。
... backswordman使用单刃刀者 backtrack返回 backu rowsers备份浏览器 ...
... 雨人/手足情未了(台)/手足情深(港) Rain Man 赤面煞星 Backtrack! 强渡魔鬼关 The Border ...
... backscatter反向散射 backtrack反退 backwardacceleration后向加速度 ...
[计]回溯；由原路返回；放弃
追踪；循迹调查
We had to backtrack to the corner and cross the street.
我们必须退回转角，然后过马路。
Can we just backtrack a little bit and look at your primary and secondary education?
我们能否稍微回顾一下刚刚提及的你的中小学教育背景？
We backtrack to here again.
我们再次回溯到这儿。
The next thing I'm going to do is backtrack.
我接下来要做的一件事就是回溯。
计算机科学及编程导论课程节选 : 麻省理工公开课
We backtrack to here.
我们回溯到这儿。
计算机科学及编程导论课程节选 : 麻省理工公开课
We backtrack to here again.
我们再次回溯到这儿。
计算机科学及编程导论课程节选 : 麻省理工公开课
This is where it gets really interesting: A few members of the group decide to backtrack.
FORBES: You're Not Indecisive; You Just Have Option Confusion
After announcing he planned to accept a deanship at Pepperdine University, he was forced to backtrack.
Given the disaster that then struck Cypriot banks, U.K. authorities may be reluctant to backtrack.