Now, the VOA Learning English program Words and Their Stories. On today's show we look at a few words as they relate to a famous story in American history: the Lewis and Clark Expedition. In 1803, the United States purchased a large part of North America from France. The area was called the Louisiana Territory.______________________________现在是美国之音慢速英语词汇典故节目. 在今天的节目当中,我们将看到一些和美国历史上最著名的故事<刘易斯和克拉克远征>相关的词汇.1803年,美国从法国手里购买了北美的很大一块地区.该区域被称为路易斯安那领区.___________________________
