retract

1.[t]~ sth撤销，收回（说过的话）to say that sth you have said earlier is not true or correct or that you did not mean it

2.[t]~ sth撤回，收回（协议、承诺等）to refuse to keep an agreement, a promise, etc.

3.[i][t]缩回；拉回to move back into the main part of sth; to pull sth back into the main part of sth

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