This image of the afterlife is founded on the orthodox figure for eternity. The body stays to the earth while the soul, like the day-star, rises to the sky.

关于来生的这幅画面是建立在正统基督教,对永生的信仰上的，肉体归于泥土,灵魂却会像启明星一样升上天空。

耶鲁公开课 - 弥尔顿课程节选

Your body has elaborate mechanisms for maintaining this state of homeostasis, that is, things staying the same; the body stays the same, homeostasis.

你的身体有许多精妙的机制,来维持内稳态,也就是说体内物质不改变,身体状态不改变,这就是内稳态

耶鲁公开课 - 生物医学工程探索课程节选

And a twenty-four-year-old Milton, after seven years of education, simply decides not to go. Instead of joining the ministry, Milton instead returns home and he stays at home without any means of supporting himself for six years.

而24岁的弥尔顿，在结束了7年的学业之后，却决定不那么做,他反而是回到了家中,在家里呆了6年。

耶鲁公开课 - 弥尔顿课程节选

It's these cells that are sitting at the surface here that are responsible for determining what becomes part of us and what stays outside.

位于肠道表面的细胞,决定了,吸收哪些分子而排出哪些分子

耶鲁公开课 - 生物医学工程探索课程节选

We take in a lot of food and water everyday, every year, and yet most of us our weight stays remarkably stable over that period of time for adults despite how much we eat and how much we drink.

日复一日年复一年,我们都摄入大量的食物和水,但我们绝大部分人的体重,在成年期都保持得很稳定,不管我们怎样大吃大喝

耶鲁公开课 - 生物医学工程探索课程节选