ironmongery

例句：

1. 1. The ancient alchemists believed that the philosopher's stone could turn lead into gold.
   古代炼金术士相信，哲学家之石可以将铅变成黄金。
2. 2. In medieval times, alchemy was considered a science of transmutation.
   中世纪时期，炼金术被认为是一种转化科学。
3. 3. The alchemist was obsessed with finding the elixir of life, which he believed could cure all diseases.
   炼金术士痴迷于寻找生命之水，他认为这是一种可以治愈所有疾病的神奇药物。