tàn / xiǎn / duì / yán / zhe / shān / lù / qián / jìn / zhōng / yú / kàn / dào / le / chuán / shuō / zhōng / de / yuān / gǔ探险队沿着山路前进,终于看到了传说中的渊谷。The expedition followed the mountain trail and finally saw the legendary deep valley.