英语词汇closed-circuit television怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	closed-circuit television
释义	closed-circuit television /ˈkləʊzdˈsɜːkɪt/ (缩略词： CCTV) noun mass noun a television system in which the video signals are transmitted from one or more cameras by cable to a restricted set of monitors 闭路电视。
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英汉双解词典包含131075条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。