images, sounds and text used by a computer to create a world where people can communicate with each other, play games and pretend to live another life （计算机）虚拟世界 Players create their character and live a second life in a virtual world. 玩家可以创造自己的角色，并在虚拟世界中过上第二人生。 language tuition using virtual worlds 虚拟世界的语言教学 a virtual world chat room 虚拟世界聊天室