“precious stone”的概念、定义、翻译、参考文献-科学参考

单词	precious stone
释义	precious stone [`presh·ǝs `stōn] ^MINERALOGY 1. Any genuine gemstone. 2. A gemstone of high commercial value because of its beauty, rarity, durability, and hardness; examples are diamond, ruby, sapphire, and emerald.
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