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1.The mineral violet has been used in ancient Chinese medicine for centuries.
这种矿物紫罗兰在古代中国医学中被使用了几个世纪。
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2.The mineral violet is a rare and precious gemstone that can be found only in certain parts of the world.
这种矿物紫罗兰是一种稀有而珍贵的宝石，只能在世界的特定地区找到。
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3.The mineral violet is known for its beautiful color and unique properties.
这种矿物紫罗兰以其美丽的颜色和独特的性质而闻名。