She could not solve the problem until she got new equipment and discovered new techniques of photography.

VOA: special.2009.05.10

So, what happened, of course, after he discovered the nucleus, not surprising, he won a Nobel Prize for this - I would hope that he would.

虽然这里面有点复杂，当时发生了什么呢？,当然，发现原子核后,他毫无意外。

麻省理工公开课 - 化学原理课程节选

Well, I think that, if I'm not mistaking, he discovered America.

我想，如果我没弄错的话，是他发现了美洲。

向哥伦布学习 - SpeakingMax英语口语达人

It did not take long before my friend's dishonesty was discovered.

VOA: special.2009.10.11

So, Lewis structures are really a model for a way to think about what the valence electron configuration is, and as I said, it's not based on quantum mechanics, it's something that Lewis observed far, far before quantum mechanics were discovered.

路易斯结构实际上是一个用来考虑价,电子排布的模型，而就像我说的，它并不以量子力学为基础，而是路易斯在以前发现的,在量子力学出现很早前。

麻省理工公开课 - 化学原理课程节选

It called for flexibility on assembly lines, and mandated that problems be fixed as soon as they were discovered so mistakes would not be repeated.

VOA: standard.2010.02.15

Piaget also discovered that older children fail at a task that's known as the A-not-B task.

皮亚杰还发现,稍大的婴儿无法完成,A非B错误任务

耶鲁公开课 - 心理学导论课程节选

And when I turned 16, I had it made into a ring and we discovered it was actually a star sapphire and not a black pearl.

VOA: standard.2010.05.31

"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

The researchers discovered that medical care did not routinely include treatment for depression.

VOA: standard.2010.05.25