Backtrack search
[计] 追踪查找
🧩 词语组成解析
backtrack
['bæktræk]
vi. 走原路;由原路返回;改变主意;取消诺言;
vt. 追踪;循迹调查;
search
[sɝtʃ]
v. 搜寻，搜索;调查;搜查;探求;
n. 搜索;调查;探求;
🗣️ 情景例句
What number are you trying to dial?
你要的电话是什么号码？
How is it going with you?
你过得怎样？
An old woman is standing at the side of the road.
一位老大娘站在靠近红绿灯的路边。