gǔ / shū / zhōng / shuō / pù / bù / cóng / bǎi / zhàng / gāo / de / xuán / yá / shàng / fēi / liú / ér / xià古书中说,瀑布从百丈高的悬崖上飞流而下。An ancient book says that the waterfall cascades down from a cliff a hundred zhang high.