As part of that study, 3,000 people in different countries, mostly college students, wrote about recent crying experiences.

VOA: special.2009.01.28

That person didn't take ownership of his or her education.That person isn't deciding to be a part of the 3.091 community.

他没有掌握他自己学业的自主权,他没有决定要成为,我们这门课程的一部分。

麻省理工公开课 - 固态化学导论课程节选

So what you see is actually a diminished lobe on the back part of this s p 3 orbital.

你们看到,在sp3轨道的后面部分,有个小叶。

麻省理工公开课 - 化学原理课程节选

This is part of the Thai army's new weapon against an Islamic insurgency that has claimed more than 3,000 lives.

VOA: standard.2009.08.31

So during those years, from 3 to 46, We believed that that part of his brain did not develop in the natural way, because it was deprived of the kind of stimuli to develop in the normal way.

因此，从他3岁到46岁的这些年里，我们认为这部分大脑,没有正常发育，因为没有正常情况下的那些刺激。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

As part of the plan, Poland has agreed to host the U.S.Navy's Standard Missile-3 anti-ballistic-missile system.

VOA: standard.2009.10.21