When Giovanni da Castro, Pope Pius II's godson, discovered alum, in Italy, in Tolfa.

当教皇庇护二世的教子乔瓦尼· 达· 卡斯特罗 ( Giovanni da Castro)在意大利的托尔法 ( Tolfa) 发现了明矾。

" What" ? asked Miss Abbott. Instinctively she led the way to the famous chapel, the fifth chapel on the right, wherein Giovanni da Empoli has painted the death and burial of the saint.

“什么”？阿博特小姐问。她本能地带路去了著名的小教堂，右边的第五个小教堂，乔瓦尼·达·恩波利 (Giovanni da Empoli) 在那里画了圣人的死亡和埋葬。