The railroad could be and was a despoiler of nature;furthermore，in itsmanifestation of speed and noise，it might be a despoiler of human nature as well.(关联结构could be and was)铁路可以，事实上也是自然的掠夺者;而且，在其速度和噪音的表现上也可能是人性的掠夺者。
　　In the railroads' prime years，between 1 890 and 1920，there were a fewindividuals in the United States，most of them with solid railroading experience behindthem，who made a profession of writing about railroading--works offering the ambienceof stations，yards，and locomotive cabs.(同位语most of them;定语从句who made a profession of writing)在1890年到1920年间铁路的黄金时期，美国有几个人(他们大多有丰富的铁路经验)以写铁路题材为职业——作品围绕车站、停车场和机车。
　　Whatever the final answer to the water crisis may be, it is evident that within the High Plains, irrigation water will never again be the abundant, inexpensive resource it was during the agricultural boom years of the mid-twentieth century. (Words 39; Hard)

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