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
so they can find her owners quickly.
好让他们很快找到她的主人。
I know the boy whose father is a medical doctor.
我知道那个男孩的父亲是医师。
There's something wrong with my left shoulder. I hurt it while I was doing gym. I've got a pain here too.
我的左肩疼痛。我做体操时受伤了。这里也疼。