摘要
铁路和火车在人类历史上有着非常重要的地位。古希腊是第一个拥有路轨运输的国家，至少两千年前已有马拉的车沿着轨道运行。1804年，理查·特尔维域克在英国威尔士发明了第一台能在铁轨上前进的蒸汽机车。19世纪20年代，英格兰的史托顿与达灵顿铁路成为第一条成功的蒸汽火车铁路。
Today we talk about railroads. Railroads were important to the development of the United States. The first U.S. railroads were built in eastern states. Trains later connected the East Coast with the West Coast.
