backtrack

英 [ˈbæktræk]

美 [ˈbæktræk]

v.  原路返回; 折回; 折返; (屈于压力而)改变声明(或主张)，出尔反尔; 退缩

现在分词：backtracking　过去式：backtracked　过去分词：backtracked　第三人称单数：backtracks　复数：backtracks　

化学

BNC.21946 / COCA.17377

牛津词典

verb

• 原路返回；折回；折返
  to go back along the same route that you have just come along
• （屈于压力而）改变声明（或主张），出尔反尔；退缩
  to change an earlier statement, opinion or promise because of pressure from sb/sth

柯林斯词典

• VERB 改变（说法、决定等）；出尔反尔
  If youbacktrack ona statement or decision you have made, you do or say something that shows that you no longer agree with it or support it.
  1. 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。
  2. The finance minister backtracked on his decision.
     财政部长收回了他的决定。
• VERB 原路返回
  If youbacktrack, you go back along a path or route you have just used.
  1. Leonard jumped in his car and started backtracking...
     伦纳德跳进车里，开始原路折返。
  2. 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 youbacktrackin an account or explanation, you talk about things which happened before the ones you were previously talking about.
  1. 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？

英英释义

verb

• retrace one's course
  1. The hikers got into a storm and had to turn back
  Synonym:turn backdouble back

双语例句

• On the analysis of Kongming chess, proposes recursion and non-recursion algorithms based on backtrack for the issue, which works effectively.
  对孔明棋求解问题进行分析，提出了基于回溯思想的递归和非递归算法，运行结果表明了算法的有效性。
• It's especially tough to backtrack through research using new sites with rich Web2.0 features that display extra data directly within a Web page.
  如果你使用的浏览器有Web2.0的功能，直接在网页中显示额外信息的话，那么回过头来寻找浏览过的网页变得尤其困难。
• Thanks to this utility, we can now deploy builds to the WebSphere platform, manage automated testing runs, and even report failures and backtrack to the last stable release, all with one-click ease.
  由于这个实用工具，我们现在只需轻轻点击鼠标，就可以将构建部署到WebSphere平台，管理自动测试运行，甚至报告失败，然后追踪到最新一次稳定的发布。
• 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？
• Someone went to the trouble to backtrack: Let me look at their friends, who I can target as a secondary person '.
  有些人不厌其烦地反向折回侦察，仿佛在说：让我瞧瞧他们的朋友，谁能成为我的二级目标'。
• Most people would rather waffle than tell you something and have to backtrack later.
  大多数人宁愿闲扯也不愿告诉你一些事情，最后不得不苦苦回想当初的蛛丝马迹。
• Just knowing that this is hard, and having compassion for ourselves as we work through this process, can help us to stay the course when we feel the urge to backtrack.
  当我们想走回头路时，只要了解到这个过程很难，并且记得在这个过程中对自己慈悲些，就会很大程度上帮助我们坚持到底。
• We backtrack to here.
  我们回溯到这儿。
• Air cargo loading problem by backtrack algorithm is solved.
  用回溯算法解决飞机货舱装载问题。
• At other times, one may find it necessary to backtrack to a previous Step.
  在另一些场合，可能有必要重复前一步骤。