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

It seemed to be the regime that divided France least, what Gambetta called the nouvelles couches,or the new social strata, the new social strata,the middle classes,the petty bourgeois.

这看似是最不会导致法国分裂的政体,甘必大称它为新阶层,或新的社会阶层,中产阶级,小资产阶级

耶鲁公开课 - 1871年后的法国课程节选

It's usually shown like a clock is shown here, where time 0, which is at the top here is right at the end of mitosis where you have two new cells that are formed.

通常会用一个类似时钟的图来图示,0时刻,在最上端 为上次有丝分裂终点,代表两个新细胞刚刚形成

耶鲁公开课 - 生物医学工程探索课程节选

New cells are formed, they wait a bit, they synthesize DNA, they wait a bit, they divide, and on, and on, and on.

新细胞形成,暂停一下,合成DNA,再暂停,再分裂,周而复始

耶鲁公开课 - 生物医学工程探索课程节选

If I followed one of them it is in a phase that's called G1 first and this is a resting phase before it enters the process of synthesizing new DNA in preparation for another round of mitosis.

如果我们跟随一个细胞前进,首先进入G1期,这是一段静息期,之后进入,合成新DNA的S期,为下一轮有丝分裂做准备

耶鲁公开课 - 生物医学工程探索课程节选