back and forth
短语词组
- back k and forth 来回地
- Back -and forth communication 反反复复的交流
- back and forth method 往返法;尝试法;选择法
- Rotate back and forth 往返旋转
- Shuttling Back and Forth 左右穿梭
- Talk Back And Forth 言来语去
- B back and forth 来回地;来回
- roll back and forth 舒卷
- Number back and forth 多少人来来回回 返回 back and forth