An enclave is an area within a country or a city where people live who have a different nationality or culture from the people living in the surrounding country or city.
例句
Nagorno-Karabakh is an Armenian enclave inside Azerbaijan.納戈爾諾-卡拉巴赫是阿塞拜疆境內亞美尼亞人聚居的一塊飛地。