If an asteroid that big struck Earth, firestorms could produce worldwide clouds of soot that would block sunlight and plunge the planet into an “asteroid winter.”
如果那么大的小行星袭击地球,引发的大火产生的烟尘会弥漫全球,遮蔽阳光,使地球进入“小行星冬天”。
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Some 65 million years ago — as we've all come to know — an asteroid struck the earth, sending up a cloud that blocked the sun and cooled the planet.