backtrack是什么意思？

backtrack

英[ˈbæktræk] 美[ˈbækˌtræk]

• vi. 走原路，由原路返回，改变主意，取消诺言；
• vt. 追踪，循迹调查；

第三人称单数：backtracks;

过去式：backtracked;

过去分词：backtracked;

现在分词：backtracking;

例句

• Air cargo loading problem by backtrack algorithm is solved. 用回溯算法解决飞机货舱装载问题.
• 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？
• 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。

柯林斯高阶英汉双解学习词典释义

• VERB
  改变（说法、决定等）；出尔反尔
  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.
  例句
  The committee backtracked by scrapping the controversial bonus system... 委员会改变主意，放弃了有争议的奖金制度。 The finance minister backtracked on his decision. 财政部长收回了他的决定。
• VERB
  原路返回
  If you backtrack, you go back along a path or route you have just used.
  例句
  Leonard jumped in his car and started backtracking... 伦纳德跳进车里，开始原路折返。 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。
• VERB
  倒回（描述或解释内容）
  If you backtrack in an account or explanation, you talk about things which happened before the ones you were previously talking about.
  例句
  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？

英英词典释义

• Verb
  1. retrace one's course;
  "The hikers got into a storm and had to turn back"

行业词典

• 自动化： 回溯；