《陨石撞击》是一款敏捷小游戏，游戏大小为3243K。
科学家将白垩纪末期的大灭绝与地球上的陨石撞击联系起来。
Scientists have linked the mass extinction at the end of the Cretaceous with a meteorite impact on Earth.
如果（陨石撞击地球的）力度足够大，相撞会扰乱整个地球的环境，并引发一场生态灾难。
If an impact is large enough, it can disturb the environment of the entire Earth and cause an ecological catastrophe.
尤卡坦半岛上富含铱的沉积层和一个巨大的陨石坑提供了证据，证明了约6500万年前，一颗大型陨石撞击了地球。
An iridium-enriched sediment layer and a large impact crater in the Yucatn provide evidence that a large meteorite struck Earth about 65 million years ago.
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