fro

Trucks and cars were shuttling to and fro on the highways.

公路上卡车和汽车正来往奔驰穿梭.

She saw small boats passing to and fro on that glittering highway.

她看到许多小船在这耀眼的河道上来往.

After some to-ing and fro-ing, Elsie and the children moved back to London.

来回搬了几次之后，埃尔茜和孩子们又搬回了伦敦。

Those boats are prepared for waftage to and fro.

那些船舶是准备用来来回运送货物的.

They travel to and fro between London and Paris.

他们奔走于伦敦和巴黎之间.

He rocked a little to and fro , and chewed at his finger.

他轻轻地前后摇摇啃着他的手指.

She stood up and began to pace to and fro.

她站起身，开始来回踱步。

The bus travels to and fro between London and Brighton.

这趟公共汽车来往于伦敦与布赖登之间.

Small boats busied to and fro.

小船来来往往地穿梭.

The boat was rocking gently to and fro in the water.

小船在水中轻轻地来回摇荡。

Branches waved wildly to and fro.

树枝猛烈地摇来摇去.

Kuei Chang-lin was walking to and fro on the veranda waiting.

桂长林还在游廊前徘徊.

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.

He grew weary of running to and fro on the short track.

他开始对在这节短轨道上开来开去有些厌倦了.

The flower seemed to quiver, and then swayed gently to and fro.

花儿似乎在颤动, 接着轻轻地来回摇摆.