backtrack的例句（backtrack在句子中的用法）

• 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。