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。...
...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...
自然界中现存的生物creatures existent in nature我们有多种现存的式样供你选择.We have many patterns in stock for you to choose from.一种把数据或信息加到现存的记录中去的过程或方法.A procedure for adding data or information to an existing record....
洛维特是个威严的高个男人，蓄着灰白的八字胡。Lovett was a tall, commanding man with a waxed gray mustache.总统是位威严的人.The president is a man with a commanding appearance.他保持庄重威严的仪态.He preserved his grave and dignified bearing....
Make a note of credit card numbers and check expiry dates.记下信用卡卡号，核对有效期限。the expiry of a fixed-term contract定期合同的满期This film has passed its expiry date.这个胶卷已过了有效期....
Mustering all her strength, Nancy pulled hard on both oars.南希使出所有力气，用力划动双桨。He paused again, mustering his strength and thoughts.他又停下来, 集中力量,聚精会神.The LORD Almighty is mustering an army for war.这是万军之耶和华点齐军队,预备打仗....