virtual mass

例句：

1. 1.The virtual reality experience is so immersive that it feels like you're actually there.
   虚拟现实体验如此沉浸，感觉你仿佛真的在那里。
2. 2. She created a virtual world for her children to play in.
   她为孩子们创造了一个虚拟世界供他们玩耍。
3. 3.The virtual assistant can perform many tasks that would otherwise require manual effort.
   虚拟助手可以执行许多原本需要手动努力的任务。