| 单词 | closed-circuit television |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔CCTV〕Closed-circuit television.闭路电视美国传统〔closed-circuit〕The store uses closed-circuit television to monitor the activities of shoppers.这家商店使用闭路电视对购物者进行监控。韦氏高阶〔closed-circuit〕There's a closed-circuit television camera in the reception area.接待处有一个闭路电视摄像头。柯林斯高阶〔teleconference〕A conference held among people in different locations by means of telecommunications equipment, such as closed-circuit television.电信会议：通过使用电信设备例如闭路电视而使位于不同地点的人召开的会议美国传统〔videoconference〕A teleconference conducted via closed-circuit television.电视会议：通过封闭循环电视进行的电视会议美国传统 |
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