The boat was rocking gently to and fro in the water.小船在水中轻轻地来回摇荡。Dark shadows moved across the window as some eavesdroppers strolled to and fro outside.窗外移过几个黑影,有人在外边徘徊,偷听他们的谈话.Trucks and cars shuttling and fro on the hi...
She stood up and began to pace to and fro.她站起身，开始来回踱步。The boat was rocking gently to and fro in the water.小船在水中轻轻地来回摇荡。They travel to and fro between London and Paris.他们奔走于伦敦和巴黎之间....