a long period of darkness and extreme cold that scientists predict would follow a full-scale nuclear war; a layer of dust and smoke in the atmosphere would cover the earth and block the rays of the sun; most living organisms would perish
Nuclear winter (also known as atomic winter) is a hypothetical climatic effect of nuclear war. It is theorized that detonating large numbers of nuclear weapons has a profound and severe effect on the climate causing cold weather and reduced sunlight for a period of months or even years, especially over flammable targets such as cities, where large amounts of smoke and soot would be ejected into the Earth's stratosphere.
例句与用法
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Molten debris would continue to rain down for weeks after the impact , and dust particles would cause effects similar to a nuclear winter " 燃烧的残骸在撞击之后会从天而降数星期之久，尘埃会造成像地球气候像核子冬天一般。
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