biān​jìng​xiàn

borderline

Senses

边境线/ 邊境線 biān​jìng​xiàn borderline

The dividing line between neighboring countries or regions; usually marked by border stones on flat land or defined by natural landmarks like watersheds or river channels.

References

same_as 边境线/邊境線 边界线/邊界線
same_as 边界线/邊界線 边境线/邊境線