她用针在那块粗布上来来回回地穿进穿出。
She passed the needle through the rough cloth, back and forth.
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.
人们在那儿来来回回地慢跑和骑自行车。
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.
于是，我就来来回回地放着幻灯片。
无数的鸟儿来来回回飞着。
Thousands and thousands of birds came. They flew back and forth.
请不要在教室里来来回回地跑个不停。
我们随秋千也荡起来，来来又回回！
来来回回的踏着落花，我于心何忍？
无数的鸟儿来来回回飞着。
Thousands and thousands of birds came.They flew back and forth.
为了使脚暖和，她来来回回跺着脚。
这一整天，他在喂料器和枝桠之间来来回回。
All day long he flies back and forth from his branch to the feeder.
玩具蛇，玩具蛇，回回头。
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.
答：整个殖民地的水都是来来回回循环利用的。
我们来来回回地用直升机把旅客运送到市中心。
We shuttled the passengers to the city center by helicopter.
老师一边说话一边在教室前面来来回回的走动。
The teacher walked to-and-fro in front of the class as he spoke.
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.
我们最经常做的动作之一就是在我们的浏览历史中来来回回。
One of our favorite tricks involves navigating back or forth through our page history.
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.
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.
平安夜里，一位少女站在卧室的窗前，看着唱诗班的孩子来来回回。
On Christmas Eve, a girl stands in front of her bedroom window, watching children from the choir come and go.
从四年级到六年级，我生活中的多数时候都是在帕克大街上来来回回。
From fourth through sixth grades, most of my life ran up and down Park Avenue.
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.
当你想说再见的时候，请三思，请回回头，想想当初遇见的时候是多么不容易。
When you're about to say goodbye, think twice, look back, and remember how hard it was to say hello.
它开始来来回回地飞，每盘旋一次都飞得更高。空气越来越冷，脚下远处传来一阵鹰啼。
He began flying to and fro, getting higher at each turn. The air grew colder, and they heard the call of eagles far below them.
它开始来来回回地飞，每盘旋一次都飞得更高。空气越来越冷，脚下远处传来一阵鹰啼。
He began flying to and fro, getting higher at each turn. The air grew colder, and they heard the call of eagles far below them.
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