Backtracking operation
[计] 回溯操作, 向后追踪操作
🧩 词语组成解析
[计] 回溯法
🗣️ 情景例句
At this rate,
照这种速度
Talk of the devil, and he is sure to appear.
说鬼鬼到。
They were still neck and neck! But the other runners were not far behind.
他们仍在肩并肩地跑！但是，其他运动员也距离他们不远。