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undo的用法总结大全
undo的意思
vt. 松开，解开,取消，废除,毁灭,扰乱
vi. 撤销
变形：过去式: undid; 现在分词：undoing; 过去分词：undone;
undo用法
undo可以用作动词
undo指将原本捆绑着的东西打开,如鞋带、包裹等,即“松开,解开”,主要强调解开的动作,而不强调解开的状态。引申可指“毁坏,败坏”。
undo多用作及物动词,后接名词或代词作宾语。可用于被动结构。
undo的过去式是undid,过去分词是undone。
undo用作动词的用法例句
Would you please undo this knot for me?你能不能帮我把这个结解开?
He tried to undo the knot by picking at it with his fingers.他用手指不停地扯，想把绳结解开。
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。
undo用法例句
1、If Michael won, he would undo everything I have fought for.
如果迈克尔赢了，那我一直以来努力争取的一切都将白费。
2、Once the damage is done, even modern surgery can't undo it entirely.
伤害一旦造成，即使是现代外科手术也无法将其完全消除。
3、A heavy-handed approach from the police could undo that good impression.
警方采取高压手段可能会毁掉之前留下的好印象。
从新再来：undo的用法和辨析
No, you don't, you've never been married. Fuck the vows, it's the years you can't undo.
——Last Night
不，你没有，你没结过婚。让誓言去死吧，过去的这些年再也不能重来过了。
——《一夜迷情》
一、关于undo，你应该知道的用法有
v.
1.解开，松开 [T]
Can you undo this knot?
你能解开这个结吗?
2.取消，废除，撤销 [I,T]
She knew it would be difficult to undo the damage that had been done.
她知道很难消除已经造成的损害。
3.毁灭;破坏;扰乱 [T]
If he won, he would undo everything I have fought for.
要是他赢了，他会毁掉我为之奋斗的一切。
二、最后，做个填词游戏吧
It's not too late to try and _____ some of the damage.
想办法补救部份损失还为时不晚。
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