v.撤销，收回(说过的话),撤回，收回(协议、承诺等),缩回,拉回
retract的过去分词和过去式

原形：retract第三人称单数：retracts过去式：retracted过去分词：retracted现在分词：retracting

The professor retracted his statement after new evidence came to light.
教授在新证据出现后收回了他的声明。
She retracted her claws as she noticed the approaching kitten.
她注意到小猫靠近时收起了她的爪子。
The dog's tail retracted when it felt scared.
狗感到害怕时，尾巴会缩回去。
The company retracted its previous apology for the faulty product.
公司撤回了对产品质量问题的先前道歉。
The author retracted several claims in their book after a thorough investigation.
作者在深入调查后撤回了书中的几项声明。
The sun retracts its rays during the sunset, casting a warm glow over the landscape.
太阳在日落时收回光线，给大地披上温暖的余晖。
The caterpillar retracts its head when threatened, a defense mechanism it uses to evade predators.
毛虫受到威胁时会缩回头部，这是一种防御机制以躲避捕食者。
The telescope retracted its lens after completing its observation of the star.
望远镜在完成对恒星的观察后收回了镜头。
The retractable roof of the stadium opened up to let in the sunshine.
体育馆的可伸缩屋顶打开，让阳光照射进来。
The umbrella retracted automatically when you pressed the button.
雨伞按下按钮后会自动收起。