Please turn off your cell phones in the venue. Please do not frequently stand up for photo taking, or walk back and forth down the aisle, or talk in a loud voice.

在会场内采访期间，请关闭手机，请不要经常起身照相或来回走动，请不要大声喧哗。

youdao

The cookies were going back and forth and back and forth and the hearts up and down, well, this thing that we had that called a loop last week with a forever block with a statement inside of it is simply gonna look a little something like this.

这些饼干人来来回回的移动,还有这些爱心们上上下下地漂浮,都用到我们上周提到过的循环结构,当然还有个声明在里面，就有点像屏幕上,显示的这样。

哈佛公开课 - 计算机科学课程节选

The sense of going back and forth, no one of us on top, not correspondent in a vertical way, how things going down there.

这种来来回回的感觉，没有人是在高处，也没人在低处。

普林斯顿公开课 - 人性课程节选

It makes no sense to think that it could try to kill the people who are trying to shut it down and so forth."

它会有试图杀死要将程序关闭的人等其他举动,这些完全说不通

耶鲁公开课 - 死亡课程节选

More than 5, 000 hectares of national park sit in virtual silence, trees arcing back and forth up and down the valleys, which stretch into mountain peaks.

BBC: El Salvador rises from the ashes

Start your journey in Suchitoto, a picturesque hill town located just 47km north of capital San Salvador, where cobbled streets zigzag back and forth, dipping down in the direction of majestic Lake Suchitoto, over which the town keeps watch.

BBC: El Salvador rises from the ashes

We have some other structures, smaller structures, tents and so forth that did come down.

NPR: Monday Blues: Bay Hill Pushed Back By Thunderstorm