can be molded into grindstones 金刚砂土和粘合剂的混合物
以上来源于: WordNet
N-COUNT A grindstone is a large, round stone that turns like a wheel and is used for sharpening knives and tools. 砂轮
With the use of fire and grindstones, large amounts of cereals were consumed and transformed into staple foods.
由于使用火和磨石，大量谷物被消耗并转化为主食。
The craftsmen came only to work, collecting their hammer stones and grindstones nearby and the chunks of ocher from perhaps as far away as 12 miles.
这些工匠们只是来工作，收集他们附近的锤石和磨石以及可能远至12英里处的大块赭石。
They also found ochre, bone, charcoal, grindstones and hammer stones.
他们还发现了赭石、骨头、木炭、研磨石和石锤。
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