So energy can go back and forth.

所以能量可以来来往往。

youdao

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。

youdao

We can go back and forth between these two equilibrium states They're connected.

我们可以，在这两个平衡态间往返，它们是相互联系的。

youdao

and Mexican officials. Every day, thousands of people on foot and in vehicles go back and forth across the border here, and millions of dollars worth of products cross the line in trucks and railroad cars.

VOA: standard.2009.04.30

Once you know what pieces to look for, what mental constructs to reach for, can you realize all right I want to make some dancing figures go back and forth, I need to loop this way and loop this way and check if I'm on the edge and so forth.

一旦确定需要查找的部分,想要达到那种层次，你是否意识到,我想做出一些可以来回走动跳舞的人，我需要按这种方式那种方式让它转圈,并检查我是否,到了屏幕的边缘等等。

哈佛公开课 - 计算机科学课程节选

and then you go back and forth, back and forth.

于是你们两人你说一句，我说一句，争执不下。

I agree课堂 - SpeakingMax英语口语达人

They go back and forth and stay with each other in their assisted living apartments.

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Candidates John McCain and Mitt Romney go back and forth on interrogation practices.

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So we can go back and forth on whether or not hurricanes are getting worse because of global warming.

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