VOA慢速英语:A Visit to the Virtual World(翻译)

interactive – adj. designed to respond to the actions, commands, etc., of a user

three-dimensional – adj. made in a way that causes an image to appear to be three-dimensional; having or seeming to have length, width and depth

fantasy – n. something that is produced by the imagination; an idea about doing something that is far removed from normal reality

infrastructure – n. the basic equipment and structures (such as roads and bridges) that are needed for a country, region or organization to function properly

dementia – n. a mental illness that causes someone to be unable to think clearly or to understand what is real and what is not real

stuff – n. informal used to refer to something when you do not need to name exactly what it is

goggles – n. special eyeglasses that fit close to your face