Sure, our electricity is generated mostly from coal, but how would the coal be extracted without those diesel-guzzling yellow trucks? How would it be hauled to the power plants?

虽然我们的绝大多数电能都是有煤产生，但是如果没有那些烧油的卡车，那些煤该如何运出？

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It's suffused with a thick smog that's a perpetual sulphur-yellow, and suffocated by motes of coal dust suspended in the breeze.

它弥漫着一层永远都是硫化黄色的浓雾，微风里浮着的煤尘微粒让人窒息。

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The main coal resources will have to communicate, West Yellow Water coalfield, the total reserves of 5,000 million tons;

煤炭资源主要有会沟通、西黄水煤田，总储量5000余万吨；

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In the days ahead, our train will pass a succession of monstrous eastbound freight services, groaning with raw materials: Albertan oil and yellow sulphur, British Columbian coal and lumber, but mostly grain from the prairies.

BBC: The wonders of Canada by rail