This heat creates a strong high-pressure system that brings cold polar air into Europe.

由此产生的热量形成了一股强劲的高压系统，并把极低的冷空气带到了欧洲地区。

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They were originally developed for the battlefield environment during the Cold War, where they would encounter strong opponents in air combat.

这批战斗机最初是以冷战为背景而设计的，那个时候它们在空战中会面临强劲对手。

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Many students have class at that time gave birth to frostbite, and we could not sleep at night, wind whistling, and had never encountered such a strong cold air, almost so that our struggle will die.

当时班上很多同学都生了冻疮，我们晚上都睡不着，寒风呼啸，从来没遇到过这么强的冷空气，几乎让我们的奋战意志消亡。

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It was the first summer I was in business, and the dry desert heat of my hometown came on strong, bringing a steady stream of customers through the door looking for ice-cold smoothies and air-conditioned relief from the scorching sun outside.

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