Specifically, we'll talk more about this, it's talking about different orbitals, it's the spatial part of an orbital.

特别地，我们将会谈到它，谈论有关不同轨道的问题，它是一个轨道的空间部分。

麻省理工公开课 - 化学原理课程节选

The only thing that is different about these orbitals is their orientation in space.

这些轨道唯一的不同之处,是在空间的方向不同。

麻省理工公开课 - 化学原理课程节选