So, let's say they were expecting to see one certain frequency or one line in the spectrum at this point here.

比如说他们预计会看到某个特定的频率,或者在这里看到一个谱线。

麻省理工公开课 - 化学原理课程节选

So you can either say that electrons are very, very tiny or that they're never ending, and both are pretty accurate ways to think about what an atom is.

所以你既可以说,原子非常非常小,也可以说它是不会终止的，这两种说法,都是正确的。

麻省理工公开课 - 化学原理课程节选

I think they're purple or so in scratch, or yeah, purple, I think, generally; say hi, for two seconds.

我觉得在scratch中，它们是华而不实的，我觉得，通常，显示hi，只要两秒钟。

哈佛公开课 - 计算机科学课程节选