Yeats's sense of modern history, of the crisis of his moment this is something we can describe and explore next time in "Easter 1916."

叶芝对现代历史，和他所生活时代的危机的感触,我们可从下节课要读的诗,1916年的复活节,还描述和探究“

耶鲁公开课 - 现代诗歌课程节选

And if we talk about electrons or photoelectrons, again we can describe it in terms of energy, we can talk about velocity, and from there, of course, you can figure out the energy from 1/2 m v squared, and actually we can also describe the electron in terms of wavelength.

如果我们谈论电子或者光电子，我们又可以从能量的角度来描述它，我们可讨论速率，从那里，当然，你可以计算1/2，m，v2得出能量值，而且事实上我们也可以,从波长的角度来描述电子。

麻省理工公开课 - 化学原理课程节选