insularism
🇬🇧/ˈɪnsjʊlərɪzəm/ 🇺🇸/ˈɪnsələrɪzəm/the state of being isolated or detached; "the insulation of England was preserved by the English Channel"
noun [专属名词] 岛国特性;胸襟狭窄
The country's insularism led to a lack of cultural exchange with other nations. 该国的与世隔绝导致了与其他国家缺乏文化交流。