| 单词 | closed-circuit television |
| 释义 | closed-circuit television ˌclosed-circuit ˈtelevision /ˌkləʊzd.sɜː.kɪtˈtel.ɪ.vɪʒ.ən/ aep /ˌkloʊzd.sɝːkɪtˈtel.ə-/ noun [U] (ABBREVIATION CCTV) ► F0 a system that sends television signals to a limited number of screens and is often used in shops as protection against thievesThesaurus+: ↑Television |
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