It's very difficult to undo the damage that's caused by inadequate parenting in a child's early years. 孩子年幼时缺少父母关爱所造成的不良后果很难消除。

undo是英语单词，兼具动词和名词词性，英式及美式发音均为 [ʌnˈduː]。 作动词时意为解开扣件（如鞋带、纽扣）、消除行为影响（如取消操作结果）等，名词特指计算机中的撤销功能。

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If you undo something, you loosen or untie it. She undid the buttons of her jacket.

She had spent so much of her life feeling secondary (though to a man she adored) that she burned to undo the laws that hemmed women in.

The meaning of UNDO is to open or loosen by releasing a fastening. How to use undo in a sentence.

To return a database to its state as of the last committed change, i.e., to undo recent uncommitted changes. 使一个数据库返回到它上次已确认的改变之后的状态，即取消最近的尚未确认的变动。

Definition of undo verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

undo verb [T] (UNFASTEN) Add to word list B2 to unfasten something that is fastened or tied