PRESIDENT OBAMA: Good morning, everybody. It is my privilege to welcome you to Washington and to formally convene our fourth Nuclear Security Summit. I convened our first summit – six years ago, in th
关于小学生即兴英语演讲稿1 Hello, everyone, I’m Liu Dongdong. I’m a student. There are three people in my family—my father, mother and I. My father is 40 years old. He is a worker. I think he is a good worker.
And that wasn't a difficult diagnosis to make. 这不是一个困难的诊断。 I made it and I set to work treating her. 作出诊断后我开始着手帮她治疗。 I gave her aspirin. I gave her medications to relieve the strain on her heart. 我开给了
