问题描述： hidden 1个回答 分类：英语 2014-12-13 问题解答： 我来补答 hidden cams隐藏凸轮例;She compared monitoring technology for elderly people to the infamous "nanny cams"-hidden cameras some parents use to spy on their children's baby sitters.她将老年人监控技术比作臭名昭著的“保姆监视”,即,有些父母安装隐蔽相机监视那些照顾他们孩子的保姆. 展开全文阅读
