"But it is also a privilege. Because it is moments like these that force us to try harder, to dig deeper, to discover gifts we never knew we had -- to find the greatness that lie within each of us."

VOA: standard.2009.05.14

du/dT And we discover that du/dT at constant V T is equal to du/dT at constant V.

可以发现恒定体积下的,等于恒定体积下的偏u偏。

麻省理工公开课 - 热力学与动力学课程节选

And what we'll discover is that when we allow the gas to expand reversibly, we get the most work. This is neat.

最后将发现,当气体可逆膨胀的时候，对外做功最大。

麻省理工公开课 - 热力学与动力学课程节选

So we would see resets after two years to a much higher level and some of these people would discover that they can't afford them.

因此我们会看到两年之后,当利率提到一个很高的水平时,其中一部分人会发现他们根本负担不起

耶鲁公开课 - 金融市场课程节选

So, this is exactly how Rutherford did discover that these particles were present and made this new model for the atom that we now know has both a nucleus, and we know the size, and also has electrons.

他提出了一个,新的原子模型,这里面有一个原子核,和一个电子，原子核的尺寸是知道的。

麻省理工公开课 - 化学原理课程节选

We will get 100.1 g of calcium carbonate and then discover that we have 56.1 g of calcium oxide, and 44 g of carbon dioxide.

00。1g的碳酸钙,将得到56。1g的氧化钙，和44g的二氧化碳。

麻省理工公开课 - 固态化学导论课程节选

It turns out that we are far from the first people, although it felt exciting, we did not discover this for the first time here today. In fact, J.J. Balmer, JJ Balmer who was a school teacher in the 1800s, was the first to describe these lines that could be seen from hydrogen.

实际上，它第一次被发现已经是在很早之前了，虽然我们觉得很激动，但我们,并不是第一次发现这个的，事实上，一个19世纪的老师,是第一个在氢原子中发现这些谱线的人。

麻省理工公开课 - 化学原理课程节选