After his son's death, Lincoln decided that one of his purposes was to be an emancipator -- to begin the process of freeing the slaves.

VOA: special.2009.02.09

This process is called self-renewal, so that's one important process of property stem cells, that they're capable of self-renewal.

这种过程称为自我更新,所以这是干细胞的一个重要性质,它们能够自我更新

耶鲁公开课 - 生物医学工程探索课程节选

And it is really great because he actually goes through the thought process for you and describes - I need to give you one piece of background.

它非常厉害,因为他已经将思考的过程,为你们过了一遍，并描写,我需要给你们一点背景介绍。

麻省理工公开课 - 固态化学导论课程节选

Using the process called Intra-cranial Electrophysiology, clinical tests in Boston and New York found that one small part of the brain, known as Broca's area, computes three different language functions, all within a quarter of a second.

VOA: standard.2010.01.28

"Having said that, one of the tricks here is to try and get something done in time for the legislative process - that is the United States Senate and the Duma in Russia - to approve whatever they do before the START-1 treaty expires in December,".

VOA: standard.2009.04.08