Those are called embryonic stem cells, they are self-renewing, and they are pluripotent, meaning they have many potencies.

这些称为胚胎干细胞,它们可以自我更新,且是多能干细胞,即它们有多种潜能

耶鲁公开课 - 生物医学工程探索课程节选

It's not self-renewing, in that division of the zygote results in two daughter cells that are no longer the zygote anymore, they're down some pathway.

它是不会自我更新的,受精卵分裂后成了两个子细胞,而这两个子细胞就不再是受精卵了,它们沿着某种路径进行了分化

耶鲁公开课 - 生物医学工程探索课程节选

They still have broad potential and they're self-renewing and so there's much interest in those.

它们还有广泛的潜能,同时也能自我更新,因此还是很有有趣的

耶鲁公开课 - 生物医学工程探索课程节选