SITUATED barely 100 miles (160km) south of the Tropic of Capricorn, you might expect Johannesburg, South Africa's commercial capital, to be bathed in tropical heat all the year round.
读者可能会猜想位居南回归线以南近100英里（160公里）的南非商业首都约翰内斯堡一年四季都沐浴在热带高温之中。
From the crest there is a view to the ocean, three miles distant, shrouded in fog created by the convergence of desert heat and the icy Benguela Current.
从沙丘顶上可以看到三英里外的大海，笼罩在由沙漠热量和冰冷的本格拉洋流交汇而产生的雾气之中。
Sixty miles to the northeast, near a spot where golden-red lava streams meet the sea in clouds of steam, a small power plant extracts heat from the volcanic rock beneath it to generate electricity.
距离东北60英里的地方，可以看到金红色的熔岩流与蒸汽云海的交融，小型的发电厂便在此通过提取火山岩石下的热量来发电。
Spitzer's IR instruments can capture the heat radiation put off by dust particles in the ring, which starts some 3.7 million miles from Saturn and extends outward another 7.4 million miles.
斯皮策望远镜上的红外线设备可以俘获环尘埃发出的热辐射，这个巨大的环内侧距离土星600万公里，向外一直扩展到1800万公里处。
The difference is about 3 million miles (5 million kilometers), and it makes a difference in radiant heat received by the entire Earth of nearly 7 percent.
离开太阳距离的差别约为300万英里(或500万公里)。这样，整个地球从太阳那里所取得的热量，相差7%。
The agency said Tesoro failed to check for cracks that had developed in a nearly 40-year-old heat exchanger that blew apart and killed seven workers at the refinery about 70 miles north of Seattle.
机构说特索罗没能检查裂缝，使几乎40岁的热交换器爆炸并且杀死七工人在西雅图的北方该精炼厂大约70英里。
The agency said Tesoro failed to check for cracks that had developed in a nearly 40-year-old heat exchanger that blew apart and killed seven workers at the refinery about 70 miles north of Seattle.
机构说特索罗没能检查裂缝，使几乎40岁的热交换器爆炸并且杀死七工人在西雅图的北方该精炼厂大约70英里。
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