The speech is proceeding rather smoothly and, I think, kind of explicably as the Lady defends the sun-clad power of chastity.

我认为演说进行的相当顺利，当女士维护贞节如太阳一般的力量时，听上去是可解释的。

耶鲁公开课 - 弥尔顿课程节选

Because it came from optics, you know, rays of sunlight and so on And in fact, even when we first started pulling synthetic fiber, the first synthetic fiber cellulose was referred to as ray on, because it looked like a ray that was being pulled.

因为它源自光学，比如太阳光线等等,实际上，及时当我们首先开始抽出,人造纤维，第一根人造纤维的纤维素,叫做光线，因为那条在被抽出的纤维素,看起来像是一道光线。

麻省理工公开课 - 固态化学导论课程节选