The waterwheel also powers grinding stones.

水车还为磨石提供动力。

The team found thousands of new objects: grinding stones, ochre crayons, and the oldest edge-ground hatchets in the world.

该团队发现了数以千计的新物品：磨石、赭色蜡笔和世界上最古老的磨边斧头。

I remember that. There was a wok, a grinding stone, and a huge mortar and pestle, so those are what I left with, and I have all of them, and I use my mortar and pestle to this day.

有个锅、研磨石，还有研钵跟舂杵。这些就是我离开家时的所有，现在我还保留着，这研钵跟舂杵还在天天使用。”