If you've ever seen a bone cut crosswise, with soft tissue called marrow inside, then you've seenwhere blood cells are made.

如果你看到过一块被横切的骨头，你就会看到里面的软组织，即骨髓，它专制造血细胞的。

Now this is a slice, a crosssection through a meteorite.

这一个薄片，展示了陨石的横切面。

A scanner takes X-ray images of, say, a patient's kidney, as cross sections with incredibly intricate detail.

比如说，一扫描仪拍下了病人肾脏的 X 光图，其横切面的细节复杂程度令人难以置信。

Paul turned his head upward as he walked, seeing the tapestry of this planet cut im cross section where the narrow cleft gaped toward gray-blue sky.

保罗边走边抬头，看到这颗星球的织锦横切面，狭窄的裂缝直通灰蓝色的天空。

Like I think of something like, I think of something like aspect oriented programming, which is not like a thing that anybody really recommends, but it's a way to do these sorts of crosscutting concerns.

就像我想到了面向方面编程，虽然这并不一个真正被推荐的做法，但它一种处理这些横切关注点的方式。

And so you got to think in 3D this is a transverse section of the bone.

所以你要三维思考，这骨头的一个横切面。