原级：borderline
1. He also warned that every enemy move in the Gulf and on Iranian borderlines is under the full surveillance of the IRGC forces.
2. The Olympics has a mission to promote understanding across political and cultural borderlines.
3. On a map published by Japan between 1783 and 1785, the islands were marked within China's borderlines.
4. On a map published by Japan between 1783 and 1785, the Diaoyu Islands were marked as within China's borderlines.