The C.D.C.defines physical activity as anything that gets your body moving.

VOA: special.2010.06.08

The opposition is between poetry that makes money and poetry that, precisely because it is good poetry as modern poetry defines it, does not.

对立性主要存在于为了赚钱的诗歌和,不为金钱的角度，现代诗歌意义上的,好诗歌之间的分歧。

耶鲁公开课 - 现代诗歌课程节选

So a lot depends, to answer your question, how one defines autism, and whether one includes Asperger syndrome, which is a limited, a more mild syndrome, as a form of autism.

所以要回答你的问题,就需要看看一个人是如何定义孤独症的,以及一个人是否将,轻微有限的阿斯伯格综合症,看做是孤独症的一种形式

耶鲁公开课 - 心理学导论课程节选

The F.C.C.currently defines high-speed Internet as an information service.

VOA: special.2010.05.21

He brings with it important benefits and in the passage that I'm referring to, he defines himself as a gadfly, everyone will remember that, the gadfly who improves the quality of life in the city.

他强调能带来显著好处,在我将引用的段落中，他自称是只牛虻，众人都将铭记，是牛虻改善了,城邦的生活质量。

耶鲁公开课 - 政治哲学导论课程节选

Merriam-Webster defines "austerity" as "enforced or extreme economy."

VOA: special.2010.12.24

The text defines genocide as the intentional killing of all or part of a designated people defined by their faith,their race, their ethnicity or their nationality.

VOA: standard.2010.03.19