Throughout history and around the world, people have developed the art of forming clay to make ceramic objects,or pottery.

VOA: special.2009.09.09

Not at the same time, but the reason we have any written evidence at all is that there was some kind of conflagration that produced a fire that baked clay into pottery.

虽然不是在同一时间,不过我们能发现这些可读记录,全靠这些意外的火灾,将那些粘土烧制成了陶器

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