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1. The paravallarine is a rare and valuable gemstone.
这种宝石非常稀有且价值连城。
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2. The paravallarine was discovered in the depths of the ocean.
这种宝石是在海洋深处被发现的。
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3. The paravallarine has been used in ancient ceremonies to bring good luck and protection.
这种宝石在古代被用于仪式中，以带来好运和保护。