back and forth 来来回回 ; 往返地 ; 反反复复
far and forth 到处 ; 远处
bake and forth 来回 ; 往返
shuttle back and forth 如梭来回 ; 像织布的梭子来往频繁 ; 来回穿梭 ; 穿梭
move back and forth 来回移动 ; 反复 ; 来回 ; 前后移动
We go back and forth 我们进退两难 ; 我们将去何处
back and forth method 选择法 ; 尝试法
A bus shuttles passengers back and forth from the station to the terminal.
一辆公共汽车在火车站和公共汽车终点站之间往返运送旅客。
他来回踱步。
In Taipei buildings rocked back and forth.
在台北,建筑物前后摇晃着。
The road moves back and forth and around corners as it moves up the face of the mountain.
VOA: special.2010.09.08
These two oscillate back and forth so the moment of deprivation is often then balanced by a moment of imagination.
来回交替丧失的时刻,经常和想像的时刻,互相平衡。
Because there are ions moving back and forth, there's a current that flows and there's a electrical potential that's generated.
由于离子的进进出出,就产生了电流流动,并且形成了电势差
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