virtual particle meaning in English

虚光子
虚粒子

According to quantum theory , vacuum space is not really empty because of virtual particles produced spontaneously in the vacuum
根据量子力学，虚空其实并非真的空无一物，而是会不断随生随灭大量的虚粒子对。
In a quantum world , at the most fundamental level everything is in a state of constant flux , even “ empty ” space , which is in fact filled with virtual particles that perpetually pop in and out of existence
在量子世界中，所有的东西在最基本的层次上都会不停的变动，即使是在真空中，也有虚粒子不停地出现又消失。