...people travelling backwards and forwards to and from London.往返于伦敦的人He stood a few moments, rocking back and forwards on his heels.他站了一会儿，踮着脚跟前后摇晃。She fell forwards on to her face...她一头栽倒在地。Space scientists and astrono...
Draw the floss backwards and forwards between the teeth.将牙线在齿间来回拉动。He controlled the car until it was pointing forwards again.他稳住车子，直到它又朝前开去。He stood a few moments, rocking back and forwards on his heels.他站了一会儿，踮着脚跟前后摇晃。...
她鲜红色的口红更衬出了她牙齿的洁白。Her scarlet lipstick emphasized the whiteness of her teeth.他拾起一张宣传保护牙齿的传单.He picked up a leaflet about care of the teeth.正在长牙齿的婴儿喜欢咬硬物.Babies who are getting new teeth like something hard to bite on....
The authorities will be legally bound to arrest any suspects.当局负有逮捕所有疑犯的法律责任。Legally, the local tax office is in the right.从法律的角度来说，当地税务局的做法是无可厚非的。The school is legally responsible for your child's safety.学校对你的孩子负有法...