double back
对折, 向后折, 顺原路返回
例句与用法：
The road ahead was flooded so we had to double back.
前面的路已遭水淹，我们只好原路折回。
The road ahead is flooded so we have to double back.
前面的路已遭水淹，我们只好原路折回。
double back
对折, 向后折, 顺原路返回
例句与用法：
The road ahead was flooded so we had to double back.
前面的路已遭水淹，我们只好原路折回。
The road ahead is flooded so we have to double back.
前面的路已遭水淹，我们只好原路折回。
double backdouble back1.翻译：沿原路返回She started running towards the street but suddenly doubled back to the house.她出发向大街跑去, 但是突然掉头向屋子跑去。
2.翻译：将(某物)折起来He told me to double back the sheet of paper and tear it in half.他告诉我把纸对折然后撕成两半。
double back
1.翻译：往回走，顺原路折回(或逃走)：The escaped boy doubled back on his tracks.那个逃跑的男孩突然循原路折回。She doubled back to see if she could find the missing watch.她顺原路折回看看能否找到丢失的手表。
2.翻译：把…对折，折叠；把…反折：It ruins a book to double back the pages as a bookmark.把书页折起来当作书签用会把书弄坏的。
double back
动词 double back:
retrace one's course
同义词：backtrack, turn back