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1. The nephelitic substance has been found to be beneficial for human health.
这种物质被发现对人类健康有益。
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2. The nephelitic substance was discovered in the ancient ruins of Egypt.
这种物质在古埃及的遗迹中被发现。
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3. The nephelitic substance is used in various industries as a natural preservative.
这种物质被用于各种行业作为天然防腐剂。