zhè / zuò / gǎng / kǒu / zì / gǔ / yǐ / lái / jiù / shì / lián / jiē / nán / běi / de / jiāo / tōng / yào / jīn

这座港口自古以来就是连接南北的交通要津。

This port has been a key transportation hub connecting north and south since ancient times.