Whereas rabbits' corneas can regenerate on the underside of the eye, human corneas regenerate on the surface.

这是因为兔子的角膜可以在眼睛的下方再生，而人类眼角膜只能在表面再生。

youdao

"What we found was with one protein that we delivered in the micro-channels in the scaffolds, that was sufficient to regenerate the entire joint surface with cartilage and with bone and with blood vessels."

VOA: standard.2010.08.11

And they do not regenerate.

而且不会再生。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

These replacement joints can be made of combinations of metal alloys, plastic and ceramic, but new research shows that it might be possible to regenerate damaged joints using a patient's own stem cells.

VOA: standard.2010.08.11

But Sita's planning manager Gareth Phillips said it would create jobs and regenerate a brownfield site.

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Rhondda Cynon Taf Council, meanwhile, points to work already taking place to regenerate the town centre.

BBC: Shop plan to transform Pontypridd

Liverpool and Everton fans have teamed up to help regenerate deprived areas in north Liverpool.

BBC: The Fan Zone