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Computer simulations of this impact show that both of the objects would melt in the impact and the dense core of the impactor would fall as molten rock into the liquefied iron core of Earth.

对这次撞击的计算机模拟显示，这两个物体都会在撞击中熔化，而撞击者稠密的核心会以熔融岩石的形式落入地球的液化铁芯中。

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Crow pulls out wire and begins bending it against a rock into a hook shape.

乌鸦取出铁线，靠在岩石边上把铁线弄弯。

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Rivers created the area as they cut rock into many different formations.

VOA: special.2009.04.15

Yeah, I got into rock climbing back in university, and I've been doing it ever since,

是，我上大学的时候开始攀岩，以后一直都攀，

拍照的理由 - SpeakingMax英语口语达人

Along the walls and in the caves are designs or symbols carved into the rock or painted on it.

VOA: special.2010.07.05

They wanted to distill the essence of epic rock into short, soulful pop tunes.

NPR: Broken Social Scene: Indie Rock Originals

And then that allows the gas to flow out of the rock into the well bore.

NPR: Drilling for Gas in Dallas-Fort Worth

This occurrence would be similar to throwing a rock into a running washing machine -- clearly not a good idea.

CNN: Airplane deicing: The how and why