She rocked the baby to and fro.
她来回摇动着婴儿。
After some to-ing and fro-ing, Elsie and the children moved back to Louisiana.
几番往复后，艾尔西和孩子们搬回了路易斯安那。
Here the wind was roaring through the branches and the tree-tops were swaying to and fro.
风呼啸着吹过树枝，树冠来回摇摆。
The ray quivered to and fro, making her figure dim or distinct- now like a real child, now like a child's spirit- as the splendor went and came again.
那束光来回抖动，使得她的身影忽明忽暗——一会儿像个活生生的孩子，一会儿又像是孩子的精灵——随着光忽明忽暗。
What those early craftsmen had found by trial and error was that under pressure a pagoda's loose stack of floors could be made to slither to and fro independent of one another.
"那些早期的工匠通过反复试验发现：在压力作用下，宝塔松散堆叠的楼层可以彼此独立地来回滑动。
"I am making the bed now," the little girl called out again, while she ran busily to and fro.
“我正在收拾床铺呢。”小女孩一边忙着跑来跑去，一边又叫道。
The ship was rolling heavily to and fro.
轮船剧烈地颠簸着。
Various kinds of vehicles run to and fro in the street.
大街上往来的车辆很多。
He hopped to and fro between London and Paris for the business.
为了这笔生意他曾不停地往返于伦敦和巴黎。
All the ants raced here and there, up, down, and to and fro.
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。
Your thoughts cannot be tossed to and fro like the waves of the sea.
你的思考不能像大海的波浪一样起伏。
They nodded their heads and swung their arms and bodies to and fro, all in perfect unison.
它们点头晃脑，手臂身体来回摆动，全体动作非常一致。
These are found on the surface of many of the body's cells, and sway to and fro in moving fluid.
这些是在体细胞表面发现的，并随着液体的流动而来回摇荡。
You must control your thinking. Your thoughts cannot be tossed to and fro like the waves of the sea.
你得控制你的思想，你的思想不该像海浪般翻来覆去。
Spade in hand, I go out from under my fine curtain, To and fro on fallen petals, how can I bear treading?
手把花锄出绣帘，忍踏落花来复去。
Catherine amused herself with dancing to and fro before the door, while I tried all the large keys in succession.
我把所有的大钥匙一个一个地试着的时候，凯瑟琳就在门外跳来跳去的自己玩。
They all moved slowly away to different parts of the quiet grass and there paced to and fro, each alone, thinking.
她们大家都慢慢地走开去了，走到宁静的草地上不同的角落里去了，独自在那儿蹀躞，沉思又沉思。
There is no sound save the faint, mournful creaking of the gangway against the boat, as she imperceptibly swings to and fro in the current.
小船随着水波微微荡漾，除了跳板和船弦发出的微弱而哀伤的支嘎声外万籁俱寂。
Now there are regular flights flying to and fro between Lhasa and many cities such as Beijing, Chengdu, Chongqing and Kathmandu Of Nepal.
现在拉萨与国内的北京、成都、重庆，以及国外的尼泊尔加德满都，都有定期航空班往返。
Once the footway starts swaying, however subtly, more and more pedestrians adjust their gait to get comfortable, stepping to and fro in synch.
但一旦桥开始摇晃，哪怕只是轻微的晃动，也会使越来越多的行人调整自己的步调，通过不断的踏步调整来适应桥的晃动。
Moreover, he was able to measure the tiny delays in the arrival of its pulses that were caused by the planet whipping around it, tugging it to and fro.
而且他还能测量出由于行星往复扰动和牵引而导致的脉冲微小迟滞。
String players practice moving the fingers of the left hand up and down, while drawing the bow to and fro with the right arm-two entirely different movements.
弦乐器的演奏者练习的则是在左手的手指上下滑动的同时，用右手前后拉动琴弓——两个截然不同的动作。
String players practice moving the fingers of the left hand up and down, while drawing the bow to and fro with the right arm — two entirely different movements.
弦乐器的演奏者练习的则是在左手的手指上下滑动的同时，用右手前后拉动琴弓——两个截然不同的动作。
Mr Kotick looks rather incongruous as he proudly shows off his firm’s new skateboard controller, putting it down on the floor and grinning as he wobbles to and fro.
当科迪克骄傲的展示他公司的滑板控制器的时候，他显得格外的不协调，他把控制器放在地上，一边笑着一边前后摇晃。
Mr Kotick looks rather incongruous as he proudly shows off his firm’s new skateboard controller, putting it down on the floor and grinning as he wobbles to and fro.
当科迪克骄傲的展示他公司的滑板控制器的时候，他显得格外的不协调，他把控制器放在地上，一边笑着一边前后摇晃。
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