If you've ever worked with a synthesizer: I think, is very simple terms here, what an electronic synthesizer does is play with these.

如果你们使用过合成器,这个词大家都明白意思吧,电子合成器就是用来处理这些分音的

耶鲁公开课 - 聆听音乐课程节选

And your TAs on Tuesday are going to share a lot of other types of sort of exam strategies in thinking about how you can approach an exam when we're in a time situation like we are, so they'll share some of their experience with you in terms of taking these timed exams.

你们的助教们也会在下周二跟大家分享,很多考试技巧,主要是关于如何应对,像我们这样有时间要求的考试，因此他们将分享一些他们的一些经验,关于参加限时考试的。

麻省理工公开课 - 化学原理课程节选

So let's think about how we can classify single and double and triple bonds, which is what we're really used to dealing with in terms of these sigma bonds and these pi bonds.

让我们想想怎么来分类单键双键,和三键，这在我们在考虑sigma键,和π键是很有用的。

麻省理工公开课 - 化学原理课程节选