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1.The ichthammol was a dark and mysterious substance.
这种物质是一种深黑色且神秘的物质。
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2.The ichthammol was used in ancient medicine to treat various ailments.
这种物质在古代医学中被用来治疗各种疾病。
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3.The ichthammol was discovered by accident during a scientific experiment.
这种物质是在一次科学实验中偶然发现的。