Subjects sit and talk in the psychologist's laboratory, innocent of the fact that their eye behavior is being observed from a one-way vision screen.
受试者在心理学家的实验室里坐着谈话，不知道他们的眼部行为正在通过单向视觉屏幕被观察。
2
Off-screen, Kathy is under the watchful eye of her father Terry.
生活中的凯茜受到父亲特瑞的严格看管。
《柯林斯英汉双解大词典》
3
As it flits from room to room its video-camera "eye" transmits pictures to a screen on a remote-control unit strapped to the wrist of its clandestine operator.