This to-and-fro approach is called a "rocking chair" design.
这种往回式方法称为“摇椅(rocking chair)”式设计。
The teacher walked to-and-fro in front of the class as he spoke.
老师一边说话一边在教室前面来来回回的走动。
These methods cover to-and-fro feed movement andintermittent movement.
这些加工方法涉及到往复进给运动、间歇分度运动等。
She stood up and began to pace to and fro.
她站起来开始来回地踱步。
Heidi in her transport was running to and fro: "Grandfather, come out!"
海蒂在路上里跑来跑去，喊着：“爷爷，快出来！”
Seeing all the people walking to and fro outside the office , I became more worried .
看到所有的人在办公室外面走来走去，我变得更焦虑了。
Seeing all the people walking to and fro outside the office. I became more worried.
看到所有的人在办公室外面走来走去，我变的更焦虑了。
Why are you walking to and fro in the room?
为什么一直在房间里走来走去的？
The river boat shuttle to and fro, running.
河面上小船来来往往，穿梭行驶。
Cars run to and fro, and hawkers hawk along them all day long.
汽车来来往往，小贩整天沿街叫卖。
我们随秋千也荡起来，来来又回回！
Children were running to and fro in the park.
孩子们在公园里跑来跑去。
He is walking to and fro in the room.
他在房间内踱来踱去。
Flies were still buzzing to and fro around the room.
苍蝇还在屋子里飞来飞去的。
Seeing all people walking to and fro outside the office, I became more worried.
看到所有的人在办公室外面走来走去，我变得更焦虑了。
They travel to and fro between London and Paris.
他们奔走于伦敦和巴黎之间。
Again move your fingertips to and fro.
再一次来回移动你的手指。
I could see people moving to and fro in the square.
我看到人们在广场上来来往往。
There always has a subtle to-fro influence between music and literature.
音乐与文学之间始终存在着一种相互渗透的微妙关系。
Swimming in the sunshine to and fro.
在阳光底下游来游去。
He continued to move to and fro over the soft carpet.
他继续在柔软的地毯上来回走动。
The boat rocked to and fro on the water.
小船在水上前后摇晃。
She could see a lone figure on the deserted beach walking to and fro.
她看到一个孤寂的人影在荒凉的海滩上徘徊。
The teacher walked to and fro, to make us understand by gesture.
老师在教室里走来走去，用手势帮助讲理解。
Swimming in the sunshine (4) to and fro.
在阳光底下游来游去。
Pretty little goldfish come and go, Swimming in the sunshine to and fro.
漂亮的小金鱼来来去去，在阳光下游来游去。
Pretty little goldfish come and go, Swimming in the sunshine to and fro.
漂亮的小金鱼来来去去，在阳光下游来游去。
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