他来回踱步。
The windshield wipers clacked back and forth.
挡风玻璃上的刮雨器来回刮着，发出咔嚓声。
She passed the needle through the rough cloth, back and forth.
她用针在那块粗布上来来回回地穿进穿出。
She rocks back and forth on her chair like a mischievous child.
她在椅子上前后晃动，像个调皮的孩子。
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。
A flock of sheep is walking back and forth on the grassland.
一群羊在草原上来回走动。
It'll have to make three trips back and forth for the three trees.
那样就需要为了这三棵树而往返三次。
They continue calling back and forth until they all find each other again.
他们不停地来回打电话，直到他们再次找到彼此。
He continued walking back and forth, muttering to himself; he had forgotten the King entirely.
他不断地走来走去，喃喃自语；他完全忘记了国王。
Don't move those flowerpots back and forth.
你别来回摆弄那几盆花了。
So energy can go back and forth.
所以能量可以来来往往。
Back and forth I went with the slides.
于是，我就来来回回地放着幻灯片。
The buoy floated back and forth in the water.
浮标在水里漂来漂去。
He rocked back and forth in his rocking chair.
他坐在摇椅里前后摇晃着。
Breathe in and out; then switch back and forth.
吸入、呼出，然后再切换往复。
So, you see how we are oscillating back and forth?
你可以看到我们如何前后摆动？
You could even do this go back and forth on the rope.
你甚至可以,在绳子上前后行走。
If you want to move you can rock back and forth with him.
想移动的话你也可以和他前后摆动。
It flies back and forth, stopping just short of his chin.
它来回摆动，将将在他下巴前停住。
I see some people changing back and forth from one and two.
我看到一些人在一和二之间来回改动。
The Internet is more than just passing bits back and forth.
互联网不仅仅是来回传送比特。
He ran back and forth and did not touch the clown with his feet.
他来回地跑而且没有用他的脚碰小丑。
Slip into a chair or remain upright, and sway back and forth.
滑进一张椅子中，或者保持直立，来回的摇晃。
example：Someone was pacing back and forth behind the curtain.
有人在幕布后踱来踱去.
Then I let it sink and began to drag it slowly back and forth.
接着我将它沉入水中，开始缓慢地来回拖动。
A man got into the well and ran back and forth to make it work.
一个男人进入舱内然后来回跑动从而使其工作。
The brothers spent the night going back and forth with their rice.
兄弟俩用整夜的时间往返运送大米。
The brothers spent the night going back and forth with their rice.
兄弟俩用整夜的时间往返运送大米。
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