Former Presidents Ronald Reagan, Bill Clinton and George W.Bush all received treatment for skin cancer or pre-cancerous lesions.

VOA: special.2010.07.06

The famed Socratic method of argumentation is basically all that remains of the older pre-Socratic culture of struggle and combat.

著名的苏格拉底式辩论法,基本上，仍全盘维持旧时前苏格拉底式的,斗争与战斗文化。

耶鲁公开课 - 政治哲学导论课程节选

So, really I'm pretty happy with what I've gotten to do, and I just want to say we're not trying to convert all of them you pre-med people, by any means.

事实上，我很对我所做的事情很高兴,我想说我并不是想。

麻省理工公开课 - 化学原理课程节选

"If you look at things like infection,pre-term delivery, even gestational diabetes mellitus, they are all reduced with givng pregnant women higher doses of vitamin D."

VOA: standard.2010.05.28

The pre-factor embodies all the electrostatics.

指前因子校正了所有的静电力。

麻省理工公开课 - 固态化学导论课程节选

And there are some philosophers and psychologists who do just that, who claim that free will and responsibility and spiritual value and intrinsic value are all illusions; they're pre-scientific notions that get washed away in modern science or you could try to reconcile them.

一些哲学家和心理学家便是如此,他们认为,自由意志,责任,精神价值,内在价值,这些都是幻象,都是些前科学的概念,应当从现代科学中清洗出去,或者你可以试着将二者调和

耶鲁公开课 - 心理学导论课程节选