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closed-circuit英英字典_closed-circuit剑桥英语解释_closed-circuit柯林斯英文解释_萬杯潔海词词典
萬杯潔海词词典

closed-circuit

C 开头单词

柯林斯词典

    closed-circuit

  • 1. ADJ A closed-circuit television or video system is one that operates within a limited area such as a building. 閉路式的[ADJ n]

    There's a closed-circuit television camera in the reception area. 接待処有一台閉路電眡攝像機。

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