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Security camera
01
安全摄像头
a device that watches and records what is happening in an area to help keep it safe
例子
He installed security cameras along the private road.
They installed security cameras at the truck stop.
His alibi was disproved by security camera footage.
The school installed security cameras as a preemptive step to prevent vandalism.
As a precaution against theft, he installed security cameras around his home.
