to cordon off
[phrase form: cordon]
01
封锁, 隔离
to restrict access to a particular area by using a barrier
例子
After the accident, the police quickly arrived to cordon off the accident site for investigation.
事故发生后，警察迅速赶到现场，为了调查而封锁了事故现场。
During the VIP event, security personnel worked to cordon off the restricted areas from the general public.
在VIP活动期间，安保人员努力将限制区域与公众隔开。
