undo

听听怎么读

英 [ʌnˈdu:]

美 [ʌnˈdu]

是什么意思

vt.

松开，解开；取消，废除；毁灭；扰乱

vi.

撤销；

变形

过去式：undid过去分词：undone现在分词：undoing第三人称单数：undoes

双语释义

v.(动词)

vt. 松开,解开 unfasten (what is wrapped or tied)
vt. 毁灭,败坏 bring to ruin; destroy

英英释义

undo[ ,ʌn'du: ]

v.
- cancel, annul, or reverse an action or its effect
  "I wish I could undo my actions"
- deprive of certain characteristics
  同义词：unmake
- cause the ruin or downfall of
- cause to become loose
  "undo the shoelace"
  同义词：untieloosen
- remove the outer cover or wrapping of
  "undo the parcel"
  同义词：unwrap

学习怎么用

词汇搭配

用作动词 (v.)

～+名词

undo band of cloth解开布带
undo knot解开结
undo laces of shoes解开鞋带
undo parcel解开包裹
undo rope解开绳子
undo good work毁了好工作
undo hard work毁了辛苦的劳动成果

双语例句

用作动词(v.)

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。
A compensating transaction means that a new transaction will undo the effects of previous transactions.
补偿事务的意思是一个新事物会用于取消前一个事务的所有效果。

权威例句

Undo as concurrent inverse in group editors
Undo any operation at any time in group editors
Undo for Operators: Building an Undoable E-mail Store
GOP asks high court to undo 'soft money' ban
A selective undo mechanism for graphical user interfaces based on command objects
How Women Engineers Do and Undo Gender: Consequences for Gender Equality
Investigating the Granularity of the Undo Function in Human〤omputer Interfaces
Facts and artifacts in using analysis of covariance to "undo"the law of initial values.
Productivity Losses from Financial Frictions: Can Self-Financing Undo Capital Misallocation?
An integrating, transformation-oriented approach to concurrency control and undo in group editors