quarrying

He spent much time in quarrying in old records.

他了很多时间从旧记录中寻找料。

Villagers in the Mexican state of Veracruz discovered the tablet sometime before 1999, while quarrying an ancient Olmec mound for road-building material.

在1999 年之前某时, 村民在墨西哥韦拉克鲁斯省发现了石板，当时为了路面建筑，挖掘一的奥尔梅克丘冢进行采石。