cctv
US /ˌsiː.siː.tiːˈviː/
UK /ˌsiː.siː.tiːˈviː/
1.
闭路电视, 监控
a television system in which signals are not publicly broadcast but are monitored, primarily for surveillance and security purposes
:
•
The bank has extensive CCTV coverage.
银行有广泛的闭路电视覆盖。
•
Police are reviewing CCTV footage from the crime scene.
警方正在审查犯罪现场的闭路电视录像。