"Everything from basic language skills of agreement of subject and verb, use of commas and other punctuation, complete and incomplete sentences, so that we can move from basic writing/language skills to the more sophisticated skills that graduate students, upper level undergraduates and people in the work world use."

VOA: special.2010.02.11

What we're going to see with programming language is that we're going to use higher-level abstracts.

我们将要看到的是,我们将会在高端的阶段中使用编程语言。

麻省理工公开课 - 计算机科学及编程导论课程节选

So, if you use a black lamp or something and you excite something up to a higher energy level and then it relaxes back down to its lower energy state, it's going to emit a new wavelength of light, which is going to be visible to you.

如果你用一个紫外灯或别的,东西把某种分子激发到,更高的能级，然后它会掉回,到低能级，它就会释放,一个新的波长的光,这个光是可见的。

麻省理工公开课 - 化学原理课程节选