In fact, the famous frontispiece of the book, which is reproduced in your edition, although it is not altogether very clear.

事实上，这本书的卷首非常有名，这在你们的版本里也有复制，虽然不是那么清楚。

耶鲁公开课 - 政治哲学导论课程节选

This stem cell which is reproduced still has the potential to undergo asymmetric division but this one does not.

新生成的干细胞,仍然有潜能进行不对称分裂,但定向祖细胞就不行

耶鲁公开课 - 生物医学工程探索课程节选

All of the cells that are reproduced during development are the same in certain ways, they contain the same DNA, they're all progeny of the same fertilized egg, but differences are acquired within specific cell populations during the process of development.

所有在发育过程中繁殖的细胞,在某些方面都是一样的,它们都有相同的DNA,都是同一个受精卵的后代,但是分化是在特定细胞类群,发育过程中必不可少的

耶鲁公开课 - 生物医学工程探索课程节选