closed-circuit television
US /ˌkloʊzd ˌsɝː.kɪt ˈtel.ə.vɪʒ.ən/
UK /ˌkloʊzd ˌsɝː.kɪt ˈtel.ə.vɪʒ.ən/
1.
閉路電視, CCTV
a television system in which the signal is not publicly broadcast but is distributed to a limited number of receivers, used for surveillance and security purposes
:
•
The bank uses closed-circuit television to monitor its premises 24/7.
銀行使用閉路電視全天候監控其場所。
•
Security cameras are part of a larger closed-circuit television system.
安全攝像頭是更大閉路電視系統的一部分。