retract
verb formal uk/rɪˈtrækt/ us/rɪˈtrækt/
[ T ]撤销;撤回;收回
to take back an offer or statement, etc. or admit that a statement was false
retract an invitation/confession/promise 取消邀请／翻供／收回承诺
When questioned on TV, he retracted his allegations. 在接受电视采访时，他收回了他以前的说法。
[ I or T ]缩回;收起
to pull something back or in
The wheels retract after the aircraft takes off. 飞机起飞后轮子便收了起来。
The cat retracted its claws. 猫把爪子缩了回去。