地球内部深处是十分炽热的岩浆的岩石熔化物。

Deep inside the Earth are very hot molten rocks called lava.

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此外，作为晶体固化和量的收缩，熔化物的替代品一定会沿着交错的晶体网络流过一段曲折的路程。

Also as dendrites solidify and shrink in volume replacement of melt must flow along a tortuous path of interleaving dendrites.

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几千年以来，金属物的回收是通过熔化与打造成新的武器或工具来完成的。

For thousands of years metal items have been recycled by melting and reforming them into new weapons or tools.

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