Potential refers to what it sounds like, 'what potential does this committed progenitor cell have?' 'What potential does this stem cell have?' Well, one way to think about is that upon this first division, this asymmetric division, this committed progenitor cell has lost some potential.

这个"潜能"和字面意思相同,定向祖细胞的潜能是什么,干细胞的潜能又是什么,一种看法就是在第一次分化时,即不对称分裂时,定向祖细胞失去了一些潜能

耶鲁公开课 - 生物医学工程探索课程节选

For example, if you started here and you did all this and you came back here, the average velocity would be zero, because you start and end at the same value of x, you get something; 0 divided by time will still be 0.

例如,如果你从这里开始运动,经过这个过程又回到这里,平均速度就是0,因为初态和末态的位移相同,你得到了什么呢,0除以时间还是0

耶鲁公开课 - 基础物理课程节选

Well, we were raised by different parents and we have different genes We can't tell-- My brother and me might share all sorts of things in common but we have the same parents and the same genes, fifty percent of the same genes ? So how do we tell what's causing us to be alike?

因为我们的父母不同,我们有不同的基因,我哥哥和我,可能会有很多共同点,我们的父母是一样的,有50%的基因相同,那是什么导致我们相似的呢？

耶鲁公开课 - 心理学导论课程节选