So they're learning from each other. And research bears this out. 乌鸦通过互相学习，都掌握了这种技巧。 Parents seem to be teaching their young. They learn from their peers, they learn from their enemies. 乌鸦父母还教会自己的孩子这样
President Bush Visits National Naval Medical Center THE PRESIDENT: Admiral, thank you very much for leading an amazing group of men and women who provide such compassion and skill for those who have b
May 2, 2008 THE PRESIDENT: Thank you, all. Thank you very much. Please be seated. Thank you. What he said was, it's about time you made it. (Laughter.) Dave was right: I was scheduled here at World Wi
英语演讲稿-01 Stepping into the new century environment pollution has become more serious than ever since. There are different kinds of pollution. Such as water pollution air pollution and noise pollutio
I've seen the hopeful faces of young graduates and our newest military officers. 我曾见到年轻毕业生和新军官们充满希望的面庞。 I've mourned with grieving families searching for answers, and found grace in a Charleston churc
