1.缩进
2.取消;撤消,撤回,收回(命令,前言等)
3.取消前言,食言,撤回
1.to say that something that you previously said or wrote is not true
2.if part of an object or animal retracts, or if it is retracted, it is pulled backward or inside it
1.The front wheels did the steering, while a propeller could be retracted by an electric motor.
当推进器被电动机牵引缩回之时，它可以依靠前轮进行转向。
2.Her father promised her to spend the weekend with her at the seaside, but he retracted the next day.
她的父亲答应同她一起去海滨度周末，但第二天他就变卦了。[1400~1450；1535~1545]
3.He said the quality of some research papers about cannabis and ecstasy was so poor the articles had to be retracted.
他指出，有关大麻及摇头丸的一些研究报告质量如此之差，不得不予以撤回。
4.Tyrrell said the newspaper now accepted that Beckham did not behave in the manner described and unequivocally retracted the allegations.
Tyrrell表示，该报现已承认贝克汉姆没有做报导中所称的事情，并明确收回上述报导。
5.Bush's bigotry was not an isolated mistake, blurted out in the heat of the moment, and later retracted.
布什的偏执并不是一个单独的错误，在兴致所至的时候脱口而出，然后又收回去。
6.A caddy retracted his statement, and the only other witness admitted that he might have been mistaken.
一个球童收回了他的话，唯一的另一个见证人也承认他可能搞错了。
7.The paper in the New England Journal, not one of these three, was also retracted, in March of this year.
《新英格兰医学杂志》上的那篇论文不算在这三篇之内，不过也已于今年3月撤回。
8.The convictions rested on confessions, later retracted, that were beaten out of the suspects by the police.
已于最近撤回的那些定罪则是基于警察对嫌疑人的刑讯逼供。
9.The male's penis is invisible when retracted but extends for up to a metre when erect; his testicles are internal.
雄象的阴茎收起的时候是看不到的，而当它勃起的时候却会有一米长，其睾丸隐于腹腔内。
10.Leave to cool the heat again, repeat stop, a few days after the bags under the eyes gradually retracted.
待冷了再换热，重复停止，数天后眼袋逐渐缩回。