This is the 2748th most frequent Chinese word.
南北
"South and north."
南北 is used to describe orientation or geographical arrangement.
南北方向上有许多城市分布。
There are many cities distributed in the north-south direction.
南北 is used to distinguish between two geographical areas by referencing their relative positions.
南北之间的文化差异很大。
The cultural differences between the south and the north are significant.
南北 is used to indicate the two opposite sides of a location or geographical feature.