She wanted a more active part in making photographs.

VOA: special.2009.08.09

So, the active part of the thermometer could be water. It could be alcohol, mercury, it could be a piece of metal.

那么温度计的工作部分,可以是水可以是酒精，水银，可以是一块金属。

麻省理工公开课 - 热力学与动力学课程节选

the difference between seeing words, hearing words, reading words and generating words can correspond to different aspects of what part of your brain is active.

看到词句,听到词句,阅读词句,创造词句,这些不同的活动,会激活你不同的大脑区域

耶鲁公开课 - 心理学导论课程节选

Roosevelt wanted an active part in the war.

VOA: special.2010.08.05

The part of their brain that could control certain behaviors is just not active yet.

控制特定行为的大脑区域,还未曾被激活

耶鲁公开课 - 心理学导论课程节选

And in 1961, during the Cold War with the Soviet Union, John Kennedy urged people to take an active part in the future: "And so, my fellow Americans, ask not what your country can do for you - ask what you can do for your country.

VOA: special.2009.01.19