For example,the father of Mexican-American musician Zack de la Rocha spent time working as an art director for Mister Chavez.

VOA: special.2009.09.06

This should all sound incredibly familiar, like I'm just repeating myself in terms of photoelectric effect, because essentially that's what I'm doing, and that's one reason we spent so much time and did so many problem-set problems on the photoelectric effect.

这应该听起来极其熟悉，就像我在重复自己在讲光电效应时所说的话，因为基本上我正是在这样做，这也是我们在光电效应这个问题上,花这么多时间,做这么多习题的原因之一。

麻省理工公开课 - 化学原理课程节选

He spent at least two-thirds of his more than, about three-quarters of his time in the northern states.

他至少花费了他旅程的三分之二,可能不止,应该是他旅程的四分之三时间,周游于北方各州

耶鲁公开课 - 美国内战与重建课程节选

So let's compare what some of the similarities and differences are between hydrogen atom orbitals, which we spent a lot of time studying, and now these one electron orbital approximations for these multi-electron atoms.

很长时间的氢原子轨道和,现在多电子原子中,的单个电子轨道近似，我们可以对比，它们之间,的相似性和不同。

麻省理工公开课 - 化学原理课程节选

We've talked--we spent a lot of time talking about that--the most popular music, virtually all of it--although after the fact people try to write it down.

我们说过，我们花了很长时间讨论过，大部分流行乐　,可以说是所有流行乐，虽然事实上人们确实会想把它写下来。

耶鲁公开课 - 聆听音乐课程节选