What does " insular" mean in this context?

在这种情况下，“孤立”是什么意思？

We guess these are insular countries in terms of sex.

我们猜测这些国家在性方面是孤立的。

So it was just such an insular boys' club.

所以它就是这样一个与世隔绝的男孩俱乐部。

This man says to me that my community would kill me, these insular communities.

这个人对我说，我的社区会杀了我，这些与世隔绝的社区。

His instructor was an insular man.

他的指导者是个思想狭窄的人。

The insular industry had a real problem because my friends would call me and they're like, what are you doing?

孤立行业有一个真正的问题，因为我的朋友会打电话给我，他们就像，你在做什么？

Any insular area of the United States was considered officially, by the federal government, a non-integral part of the United States.

美国的任何岛屿地区都被联邦政府正式视为美国的非不可分割的一部分。

The persecuted young woman had but to beckon a finger and Soapy would be practically en route for his insular haven.

这位受迫害的年轻女子只需挥动一根手指， 索比就几乎正在前往他与世隔绝的避难所的路上。

The US had to come up with an entirely new classification of land just for these guano islands: the insular areas.

美国不得不为这些鸟粪岛提出一个全新的土地分类：岛屿地区。

Years turned into decades, and Witt's insular life meant that he wasn't aware of how grumblings about the system had become more persistent.

几年变成了几十年，维特与世隔绝的生活意味着他没有意识到对这个制度的抱怨已经变得更加持久。