china clay [矿物] [材] 瓷土 ; 高岭土 ; 陶土 ; 别名为中国粘土
calcined china clay 熟瓷土 ; 煅烧高岭土
china-clay 瓷土
White China clay 中国白瓷土 ; 白瓷土
raw china clay 生瓷土
china-clay chamotte 瓷土熟料
In China at around 200 BC, they discovered that by adding minerals to the clay they could improve both the appearance and the strength of the ceramics.
在公元前200年左右的中国，他们发现通过在粘土中添加矿物质可以改善陶瓷的外观和强度。
In fact, it became so valuable that it was known as white gold and spies were sent to China to discover what they did to the clay to produce such high-quality merchandise.
事实上，它变得如此珍贵，以至于被称为“白金”，间谍被派往中国，以查明他们如何处理粘土，从而生产出如此高质量的商品。
The earliest libraries existed thousands of years ago in China and Egypt, where collections of records on tablets of baked clay were kept in temples and royal palaces.
中国和埃及早在几千年前就有了最早的图书馆，在这两个国家，烧制陶片上的记录被保存在寺庙和皇宫里。
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