backtrack
US /ˈbæk.træk/
UK /ˈbæk.træk/

动词
1.
2.
原路返回, 倒退
to go back along the same path that one has just taken
示例:
•
We had to backtrack to find the lost keys.
我们不得不原路返回去寻找丢失的钥匙。
•
The hikers had to backtrack when they realized they were on the wrong trail.
徒步旅行者意识到走错了路,不得不原路返回。
在 Lingoland 学习这个单词