单词详解

vt.

A. 松开，解开 (cause to become loose)

He could undo the laces of shoes. 他学会解开鞋带了。

B. 毁灭，败坏 (cause the ruin or downfall of)

What is done cannot be undone. 覆水难收。

相关单词

近义词：untie

名词：undoer

过去式：undid

过去分词：undone

现在分词：undoing

第三人称单数：undoes