Silver mines, gold mines, tin mines.

银矿、金矿、锡矿。

In waste and uninclosed lands, any person who discovers a tin mine may mark out its limits to a certain extent, which is called bounding a mine.

在荒野荒野中，凡是发现锡矿的人，都可以在一定程度上划出界限，称为界矿。

A county in southwestern England used to be king when it came to tin and a walk among the ruins of Cornwall's tin mines could take you back in time or back to the future.

英格兰西南部的一个郡曾经是锡矿的国王，在康沃尔锡矿废墟中漫步可以带你回到过去或者回到未来。