philosopher's stone

例句：

1. 1. The discovery of this stone has sparked a new era in alchemy.
   这种石头的发现开启了炼金术的新时代。
2. 2. The alchemist believed that the philosopher's stone could turn base metals into gold.
   炼金术士相信哲学家的石头可以将贱金属变成黄金。
3. 3. The alchemist's quest for the philosopher's stone was a testament to his unwavering belief in the power of nature.
   炼金术士寻找哲学家的石头是他坚定不移地相信自然力量的证明。