Backtracking
[计] 回溯法
🗣️ 情景例句
All right, but be careful.
好吧 ，但你得小心。
Let's talk over coffee.
我们边喝边谈。
The entrance to the cave is on a plateau in the Dauphine Alps.
此洞的洞口在丹芬阿尔卑斯山的高原上，