verb · relating to computer-generated environments or software emulation

这种虚拟现实设备能给人身临其境的体验。

verb · to imagine or invent something that does not exist in reality

这个系统会自动生成一个虚拟的身份信息。

verb · theoretical or based on a logical hypothesis

我们先建立一个虚拟的模型来推演结果。