I'm a brain scientist, and as a brain scientist, 我是一个脑科学家，而作为一个脑科学家， I'm actually interested in how the brain learns, 我对于大脑是如何学习的很感兴趣。 and I'm especially interested in a possibility of mak

March 5, 2008 THE PRESIDENT: Thank you all. Thank you for the warm welcome. Thanks for coming. It's my honor to be here. I'm proud to address the Washington International Renewable Energy Conference.

This afternoon, President Obama commented on the news of Justice John Paul Stevens' retirement before he addressed the recent tragedy in West Virginia. The President recognized Justice Stevens as an &

January 8, 2008 THE PRESIDENT: Thank you very much. I had a series of good meetings today to discuss the situation in Iraq, including a video teleconference this morning with General Petraeus, Ambassa

英语演讲-01 　　When i was seven, i started learning english. i played games and sang english songs with other children. sometimes, i watched english cartoons. it's funny. then i discovered the beauty of th