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to block off
[phrase form: block]
01
封闭
to prevent entry or access by placing a barrier
02
封闭
to become closed or restricted
03
封闭
to prevent or interrupt communication completely
04
封闭
to reserve a specific time, space, or item for a particular purpose
例子
The organizers had to block off the backstage area.
The security guard blocked off the restricted area.
Please block off the entrance with caution tape.
A large sign was placed to block off the closed pathway.
The school's IT department blocked off inappropriate websites on the computers.
