芝芝在他的椅子前面来来回回地跑，奋力拉扯皮带，似乎想跑下海滩。
ChiChi ran back and forth in front of his chair, straining at his leash as if to run down the beach.
不久，在这条他来来回回了20年的孤独的路上，长出了许多小花，四季不绝。
Before long, on the lonely road, where he had come and gone for 20 years, grew up a lot of little flowers, in all seasons endlessly.
现年79岁的他身材魁梧，在大都会博物馆的新闻发布会上显得有些不自在。他的巡回回顾展的最后一站刚刚在大都会博物馆开幕。
A physically imposing 79-year-old, he seemed slightly uncomfortable at a press conference at the Metropolitan Museum, where a travelling retrospective of his work has just opened for its final stop.
无数的鸟儿来来回回飞着。
Thousands and thousands of birds came. They flew back and forth.
这篇博文引起了一组有趣的来来回回的评论。
This created an interesting back-and-forth on the comments section of the article. For instance, Mike Amundsen states.
你可以两边着力，来来回回，或者用中指画圈。
You can move side to side, back and forth, or in circles with your middle finger.
他说，和海盗的谈判“来来回回变化。”
He said negotiations with the pirates had been "going up and down."
无数的鸟儿来来回回飞着。
Thousands and thousands of birds came.They flew back and forth.
球员从欧洲，印度，亚洲和大激流来来回回的。
Players come and go, from Europe, India, Asia, Grand Rapids.
如果还需要来来回回的多次批准那就更糟糕了。
Worse yet is when approval is needed several times along the way, meaning it has to be bounced back and forth a bunch of times.
不像气垫导轨那样被束缚在一维，只能来来回回移动装置。
You are not stuck, like you are there, to one dimension of going back and forth on what we call the air track.
引座员在通道中来来回回，引领人们到座位上去。
The ushers hurry up and down the aisle, beckoning people to their seats.
但这些邻居的孩子不断来来回回，制造各种各样的噪声。
But those neighborhood kids keep coming around and making all kinds of noise.
人们来来回回在壁垒间走着，手中握着个相机，欣赏着底下峡谷的美景。
People milled back and forth on the ramparts, cameras in hand, admiring the valleys below.
在这段时间里我学会了很多，失去了很多，哭过笑过，来来回回。
In this time frame I have learned, lost, cried and felt elation, all at varying levels.
所有的蚂蚁都在上上下下、前前后后、来来回回地跑着寻找美食。
All the ants raced here and there, up, down, and to and fro.
一旦你往回回溯，你可以利用这些选项向前移动到更靠近的一些日子。
Once you have moved backwards, you can use these on the other side of the date to move forwards.
她一个接一个地试着各种包包，来来回回在镜子前走动，对镜子里的自己皱着眉头。
She tried one after another, swaying back and forth before the mirror, frowning at her reflection.
在一些诊所，运送机器人来来回回的运送文书和药品，或者清理办公室窗户。
In some clinics transport robots ferry around paperwork and medicine; or they may be cleaning the office Windows.
在大多数市中心，试着到处开车一点也没用，不如坐上公共交通工具来来回回。
In most inner cities it is futile to try and drive anywhere so you might as well use public transport to get around.
因为他们的爱就像过山车，许许多多的来来回回兜兜转转唉，还不是编剧害的？
Because their love is like a roller coaster; a lot of backwards and forwards.
不过电话可以帮助我们减轻对彼此的思念，还有传真机——我们来来回回发送了很多数学题。
But the telephone helped, and the fax machine did too-we sent a lot of math problems back and forth.
经过了几周来来回回的商谈，克劳蒂娅最后通过邮件告诉马克，很抱歉，这笔买卖谈不成了。
After several weeks of back-and-forth, Menashe emailed Harmel to say that, regretfully, the deal was off.
它变得很像一场乒乓球比赛——多年来，由于新的证据人所周知，一些理论，来来回回地讨论。
It has become like a game of ping pong - over the years, theories have been batted back and forth as new evidence comes to light.
我和弗洛西来来回回地察看了大厅的所有房间，但没有找到小姑娘，也没发现什么别的东西。
Flossie and I searched the rest of the rooms up and down that hall, and we never did find that girl, or anything else.
目前大多数激光器是用硅来做反射镜，来来回回地反射激光X射线，但硅反射镜不能反射功率大的X射线。
Most lasers use silicon mirrors to bounce light wavelengths back and forth, but silicon can't reflect powerful X-rays.
目前大多数激光器是用硅来做反射镜，来来回回地反射激光X射线，但硅反射镜不能反射功率大的X射线。
Most lasers use silicon mirrors to bounce light wavelengths back and forth, but silicon can't reflect powerful X-rays.
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