Iron is taken out of the earth, and brass is molten out of the stone.
铁从地里挖出，铜从石中熔化。
A nearby volcano erupted violently, sending out a hail of molten rock and boiling mud.
一座附近的火山猛烈爆发，喷出大量熔岩和沸腾的泥浆。
Within the molten interior, under the influence of gravity, different elements were sorted out by density.
在熔体内部，在重力的影响下，（研究人员）根据密度对不同元素进行了分类。
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