So, this all starts, in terms of putting it in its historical context at the turn of the Century, we said we'd start right in on the 20th Century of where chemistry was.

从历史的观点来看,这些都起源于,上个世纪之交,我们说我们从。

麻省理工公开课 - 化学原理课程节选

Then that insulin would accumulate in the muscle, enter the blood, and circulate all over the body and so you'd turn the muscle into an insulin making tissue.

胰岛素会在肌肉组织中累积,并进入血液,使其在全身循环,如此就使肌肉成了能产生胰岛素的组织

耶鲁公开课 - 生物医学工程探索课程节选

Now, I've talked to you essentially about the economic aspect of this phenomenon and I'd like to turn next-- give me a second here I just want to find out where I am in this.

至此我已经基本上给大家,讲完了这一现象的经济意义,接下来,让我想想,我们该讲什么了

耶鲁公开课 - 古希腊历史简介课程节选

But we haven't yet addressed why, for example, a 2 s orbital islower in energy than the 2 p orbital, or why, for example, a 3 s orbital is lower in energy than a 3 p, which in turn is lower than a 3 d orbital.

但是我们还没有强调为什么，举个例子一个2s轨道能量低于2p轨道,或者为什么，举例来说它依次低于3d轨道,屏蔽一个3s轨道的能量小于3p轨道。

麻省理工公开课 - 化学原理课程节选