take back or withdraw(a statement,an opinion,etc)as being false
撤回,撤销（声明、意见等）（因不正确）.
withdraw a telegram
电回电报，撤销电报
Single and multiple Undo
单次撤销和多次撤销
Blind and explanatory Undo
隐蔽撤销和解释性撤销
reverse a decision [sentence]
撤销判决 [宣判]
grant, withdraw a franchise
授予、 撤销特权.
Performing a single Undo twice usually undoes the Undo and brings the system back to the state it was in before the first Undo was activated.
两次连续的单次撤销通常会撤销已经做出的撤销，并且让系统返回在第1次撤销激活之前的状态。
A Credit may be either revocable or irrevocable.
信用证可以是可撤销的或可撤销的。
"Warning: You will not be able to undo this action using the Undo command.
"警告: 撤销命令不能撤销该操作。
the withdrawal of supplies, support, troops
撤消供应、 不再支持、 撤回部队
The act of withdrawing or going back.
后退撤回或退回的行为
deactivation of a response plan
一项反应计划的撤销
noise abatement (cancellation) notice
消减噪音（撤销）通知书
cancellations and refundings of development credits
开发信贷的撤销与偿还
irrevocable letter of credit,
不可撤销的信用证，
where the drawer has countermanded payment;
发票人已撤销付款命令；
(ii) The offeror lawfully revokes the offer;
(二)要约人依法撤销要约；
irrevocable and confirm credit
保兑不可撤销的信用证