“porcelain jasper”的概念、定义、翻译、参考文献-科学参考

单词	porcelain jasper
释义	porcelain jasper [`pȯr·slǝn `jas·pǝr] ^GEOLOGY A hard, naturally baked, impure clay (or porcellanite) which because of its red color had long been considered a variety of jasper.
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