That is, you cannot experience them directly, and I must cut them down, dimensionally speaking, in order that you can perceive them in your more limited dimension.

也就是说，你无法直接体验，我必须在维度意义上把它切碎，以便你能够在你更有限的维度中感知它。

If you take a look at this map, I mean you may want to pause the video for a second and try to figure out what this looks like three dimensionally.

如果你张地图，我的意思是你可能需要暂停一下视频，试着想象它在三维空间中是什么样子。