" Mines" (mines) are places where people dig in the earth to get out valuable resources like gold, copper, or coal.

“矿山”（矿山）是人们在地下挖掘以获取金、铜或煤等宝贵资源的地方。

And in fact, there is more, some of the heavy elements in our body like gold, copper, zinc actually formed when a massive star exploded as supernova.

事实上， 还有更多， 我们体内的一些重元素，如金、 铜、 锌， 实际上是在一颗大质量恒星爆炸成超新星时形成的。