retract和retreat的用法有什么区别呀（treat to和treat with有什么区别）

retract v. 收回，撤销（已说的话或已答应的事） He retracted his words.

使缩回，使缩入 The sea otter can retract the claws on his front feet.

retreat v.n 撤退 （军队）；后退；离开；范围缩小 例 The flood waters are slowly retreating.撤回计划，多用于书面表达，股价下跌