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closed circuit TV cameras [英] [kləʊzd ˈsɜ:kɪt ˌti:ˈvi: ˈkæmərəz] [美] [kloʊzd ˈsɜ:kɪt ˌtiˈvi ˈkæmɚrɚz] [短语] 闭路电视录相机 词频排名 47257/55435 学习人数 486 难度等级 1/10 认知比例 48.89% 例句 Closed circuit TV cameras have been installed in the laboratories. 实验室里安装了闭路电视。 Closed circuit TV cameras were installed along these highways. 这些公路上装置了闭路电视摄影机。 助记 联想 circuit 电路,线路;circle 圆形
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