The data was slightly complicated by the fact that there was a tendency for kids who were social in the real world to also use more online communication, but by bracketing out different cases it became clear that the real-world sociality component correla
2019年12月六级真题（第一套）阅读 Section B
柯林斯高阶英汉双解学习词典释义
N-COUNT
(电视、电脑的)屏幕;(电影的)银幕
A screen is a flat vertical surface on which pictures or words are shown. Television sets and computers have screens, and films are shown on a screen in cinemas.
N-SING
(总称)电影，电视
You can refer to film or television as the screen .
A screen is a vertical panel which can be moved around. It is used to keep cold air away from part of a room, or to create a smaller area within a room.
If you screen your telephone calls, calls made to you are connected to an answering machine or are answered by someone else, so that you can choose whether or not to speak to the people phoning you.