At infinity, there's no stored potential energy, and it drops off more and more negative as one over R.

在无限远处，没有储存的势能，并且它向负方向减少，当距离超过R时。

麻省理工公开课 - 固态化学导论课程节选

We now have two rival explanations, the soul, dualist, explanation that we went into the other world and the physicalist, promissory note that we can explain the white lights and the feeling of euphoria and seeing your body from a distance in physical terms.

我们现在有两个对立的解释,二元论解释是灵魂,因此我们进入,到了另一个世界的,而物理主义,从物理角度,用期票解释了,白光,兴奋的感觉,以及在远处看到自己身体的现象

耶鲁公开课 - 死亡课程节选

The cell that's producing the signal produces enough of the molecule so that it enters the bloodstream, it circulates throughout your body, eventually it reaches a cell at a great distance, which has a receptor for that ligand and the signal gets received.

发出信号的细胞产生信号分子,数量十分充足 能够进入到血液中,信号随着血液流遍全身,最终到达较远处的细胞,在这些细胞上有与配体配对的受体,信号被细胞接收

耶鲁公开课 - 生物医学工程探索课程节选