如果虚拟处理器在同一周期中获得了新的工作，那么Hypervisor会返回未使用的周期。

In case the virtual processor gets new work in the same cycle, the hypervisor gives the unused cycles back.

youdao

Versus looking at, for example, helium or neon or argon, these are all inert gases, inert meaning essentially do not react, those were grouped together in the periodic table.

相反，他发现氦，氖，氩，都是惰性气体，惰性的意思是基本不参与化学反应，因此把它们放在周期表中的同一类里。

麻省理工公开课 - 化学原理课程节选