Hi, everybody. 大家好！ I'm here at Children's National Medical Center in Washington, D.C., visiting with some kids being treated here all the time for asthma and other breathing problems. 此刻，我在华盛顿特区的国家儿童

初中英语演讲稿3分钟（一）　　　　As you slowly open your eyes, look around , notice where the light comes into your room; listen carefully, see if there are new sounds you can recognize; feel with your body and spiri

I'm here to talk about the next big thing, 我在这里要谈论另一件重要事情 because what we're finding out is that 因为我们发现 we have this capacity to report eyewitness accounts of what's going on in real time.

小学英语演讲稿（一）　　　　Dear teacher and classmates:　　　　I am very glad to make a speech here in this class again! This time, I''d like to talk something about English.　　　　I love English. English language is now

Moreover, today, more than half of the world's population 除此以外，超过世界人口的一半以上 live in cities. 都居住生活在城市。 In the developed world, it's about 78 percent. 在发达国家中，这种比例达到了78%。 More than three out of fo