The spirit of Anton Leeuwenhoek told me how to make a perfect lens from a diamond of one hundred forty carats.

VOA: special.2009.07.25

Ultimately, we need a filter or a lens to talk about then what is ultimately in control.

最终，我们需要一个视窗，一个镜头,来讨论什么是最终的控制者。

普林斯顿公开课 - 人性课程节选

Again, it's a nice lens for asking yourself, what are the things that are most valuable to you?

再一次，这是一个很好的问你自己，什么事情对你来说最有价值的视角？

耶鲁公开课 - 死亡课程节选

I wanted to make a powerful lens that would let me see even the smallest parts of life.

VOA: special.2009.07.25

I'm going to set aside theology as the lens through which I read.

似乎很矛盾。

耶鲁公开课 - 1945年后的美国小说课程节选

The lens in my expensive microscope was still not strong enough to answer my questions about life.

VOA: special.2009.07.18

Contact lens technology has changed dramatically from the time that I was born to the time that you were born, and the contact lenses you use today are much different than the ones that would have been used 30 years ago.

从我出生,到你们出生的时间段里,隐形眼镜技术发展的很快,你们现在使用的隐形眼镜,与三十年前使用的,已经有天壤之别

耶鲁公开课 - 生物医学工程探索课程节选

Such a lens would permit me to see life in the smallest parts of its development.

VOA: special.2009.07.18

Because you trust biomedical engineers to have done a good job in designing these things and we'll talk about how biomaterials are designed and tested, and what makes a material, the properties of a material that you could use as a contact lens, what are the properties that it needs to have.

因为你深信生物医学工程师们,在设计这些材料时,已经做了充分的工作,我们会讨论如何设计和测试这些生物材料,什么材质具有,能够用来,做成隐形眼镜的材料的属性,它们需要具备的特性究竟是什么

耶鲁公开课 - 生物医学工程探索课程节选

I lay awake nights,wishing to find the perfect lens - an instrument of great magnifying power.

VOA: special.2011.06.18

I lay awake nights, wishing to find the perfect lens an instrument of great magnifying power.

VOA: special.2009.07.18

On the same evening that the spirit of Leeuwenhoek tells me the secret of the perfect lens, I find the diamond I need to create it.

VOA: special.2009.07.25

Carefully,I moved the lens of my microscope closer to the drop of water.

VOA: special.2009.07.25

I rushed again to look through the lens.

VOA: special.2011.06.25