He discovered that seeds or spores could grow if the seed could develop in a special preparation.

VOA: special.2010.04.06

Now we have uncovered something about the form, the structure, of Tony the Tow Truck in saying this, but we haven't discovered or uncovered a thing about the meaning of Tony the Tow Truck.

我们现在已经讨论了一些关于，托尼的拖车,的形式和结构，但是还没有讲到,它的含义理解。

耶鲁公开课 - 文学理论导论课程节选

And he actually did this in the late 1800's, back before even all of the elements that we know today were discovered, really only about 60% or so, 70% were discovered then that we now know today.

他最终在十九世纪晚期完成了这一壮举，难能可贵的是,虽然我们现在已经发现了所有的元素，但在当时已知的元素只有我们现在知道,百分之六七十，在这种情况下。

麻省理工公开课 - 化学原理课程节选

Mister Kao discovered how to transmit,or send,light signals over long distances through optical glass fibers.

VOA: special.2009.12.08

Although, I said, insurance was effectively discovered or invented in the 1600s, it has been slow to grow because they didn't have the well-defined-- all of the inventions yet.

尽管我说过，保险实际上,是在17世纪的时候被发现或者发明的，但它的发展非常缓慢,因为人们无法确切定义-,这种被发明出的东西。

耶鲁公开课 - 金融市场课程节选

Researchers discovered that people whose brains have higher levels of leptin are less likely to suffer from Alzheimer's or other forms of dementia.

VOA: standard.2009.12.30

The inevitable conclusion that I reach and I believe any sensible reader of Aristotle would reach is that Aristotle in fact discovered the American Constitution 1 500 or 2 000 years before it was written.

但会得到结论,且我相信,任何敏感的亚里士多德读者都会得到的结论是,亚里士多德，事实上,早在美国宪法写就之前的,1，500，或，2，000，年即已创建。

耶鲁公开课 - 政治哲学导论课程节选

"We discovered 150 or so genetic markers that can highly predict whether or not a person has the genetic propensity to live to extreme old age."

VOA: standard.2010.07.14