Some fires are infernally hot; others, relatively cool.

有些火焰像地狱般炙热；有些则相当凉爽。

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The ideal spot for winter storage is a dark, dry, and relatively cool area.

冬季衣物的理想储存地方是黑暗、干燥且相对来说凉爽的地方。

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Sunspots are relatively cool, dark features on the sun's surface that are often roughly circular.

太阳黑子是太阳表面相对较冷较暗的，大致呈圆形的区域。

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"Previous workers have applied the same oxygen isotope technique and reported relatively cool temperatures, " Dr Pearson said.

BBC: Dinosaurs felt the heat

You might be wondering how the planet could be warming if this past winter has been relatively cool.

CNN: CO2 levels hit new peak at key observatory

As for temperatures, those who don't mind trading extreme winter cold for a relatively cool summer might like International Falls, Minn.

FORBES: Magazine Article