videosignal

例句：

1. 1.The new TV has a high definition video signal.
   这款新电视具有高清视频信号。
2. 2.The police used video signals to track down the thief.
   警方使用视频信号追踪小偷。
3. 3.The engineers were able to use video signals to control the robot.
   工程师们能够使用视频信号来控制机器人。