第二个无极是不是第一个的里层呢？

Is not this second infinite, so to speak, subjacent to the first?

youdao

里层模仿类似于穿过天空的云层扭曲景象。

The inner layer depicts a pattern similar to a distorted view of clouds moving through the sky.

youdao

这种方法确实可以减少伤痛感------至少是心里层面上的。

But in its early, blissful throes, it actually lessens pain — at least of the physical kind.

youdao

There is a huge difference between the energies in the outermost shell and the inner shells, which tells you that it's unlikely that any electrons except those in the outermost shell are going to be active.

最外层和最里层所具有的能量,有很大差异，而这告诉我们有一点是不太可能的,那就是除了最外层的电子,别的电子都是应该是活泼的。

麻省理工公开课 - 固态化学导论课程节选