close circuit television
英
美
- circuit n.巡回；线路；环形；电路；回路v.巡回；绕...环形
- close v.关；合拢；不开放；停业；结束；收盘；（使）缩小；牢牢握住或抓住；（使）靠拢；同意；短兵相接adj.亲近的；近的；几乎的；闷热的；严密的；紧凑的；剪得很短的；守口如瓶的；吝啬的；势均力敌的adv.接近；靠近；紧紧地n.死胡同；完结；结论
- television n.电视机；电视节目；电视行业
- There is a closed circuit television and hi-fi system in the room.
房内有闭路电视和高保真音响。
- In education,closed-circuit television makes it easy for a whole class to see everything a teacher demonstrates.
在教育方面，闭路电视能使全班同学易于看清教师所演示的一切。
