...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。...
It indicates that bollon dilator has good long term effectiveness for postoperative anastomotic stricture.结果显效率为87.8%,且无复发,远期疗效甚佳.Objective : To investigate the conservative treatment in patients with intrathoracic esoph...
He bought me a bagful of sweets.他给我买了一包糖.He was caught in the act of stealing the sweets.他正在偷糖时被抓住了.a yen for sweets想吃糖果She dipped a hand into the jar of sweets and pulled one out...她把手伸进糖果罐，摸出了一颗糖。Sweets should be cut o...