Writer-director Christopher Nolan launched his career with Memento and Insomnia, mysteries that delve into how reality can be in the mind of the beholder.

VOA: standard.2010.07.16

And in the second half of this course, talk to us about transition metals in depth, and that's when we'll really delve into d orbitals.

在这个课程的后半部分，会深入的讲到，过渡金属，这时候，你们可以研究d轨道。

麻省理工公开课 - 化学原理课程节选