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1、美国西弗吉尼亚州Pinnacle煤矿中只有矿车和矿工头上的灯发出亮光。这里的矿工像他们祖辈们一样,到地下四分之一英里的地方去工作,他们的工作伴随着巨大的危险性。
1, the United States West Virginia Pinnacle mine only the lights on the headlights of miners and miners. The miners here, like their ancestors, went to work a quarter-mile underground and their work was accompanied by great dangers.