- [countable]
an area of land close to a border between two countries 边疆;边境 - [singular]
an area between two qualities, ideas or subjects that has features of both but is not clearly one or the other (介乎两种品质、思想或学科等之间的)边缘领域 the murky borderland between history and myth 历史与神话之间的边缘领域