gǔ / dài / shāng / duì / céng / jīng / tōng / guò / Kāi / bó / ěr / shān / kǒu / qián / wǎng / nán / Yà

古代商队曾经通过开伯尔山口前往南亚。

Ancient caravans once traveled through the Khyber Pass to South Asia.