Medieval alchemists attempted to transmute base metals into gold.中世纪的炼丹术士企图把贱金属炼成金.Alchemists searched in vain for this substance for several hundred years.炼金术士探寻这种物质达数百年之久而终无所获.The alchemists were the forerunners of the...
The alchemists were the forerunners of the scientists of today.炼金术士是今日科学家的先驱.Medieval alchemists attempted to transmute base metals into gold.中世纪的炼丹术士企图把贱金属炼成金.The alchemists were unable to accept the inconvertible natur...