米歇尔·奥巴马在民主党大会上表示，希望正在回归

米歇尔·奥巴马在民主党全国代表大会上发表讲话，并获得了长时间的起立鼓掌。她强调了希望在当前时刻的重要性，并呼吁人们团结一致，战胜当前的挑战。她的演讲充满了力量和情感，激励了听众。

Original Title: Hope is making a comeback, Michelle Obama says at Democratic convention
Article Content:
Former First Lady Michelle Obama got a lengthy standing ovation as she appeared at the Democratic National Convention.

Original article: https://www.bbc.com/news/videos/cvg50eyr335o