Zài / zhè / bù / qí / huàn / xiǎo / shuō / zhōng / mì / yín / shì / yì / zhǒng / jí / qí / jiān / yìng / de / jīn / shǔ在这部奇幻小说中,秘银是一种极其坚硬的金属。In this fantasy novel, mithril is an extremely hard metal.