insular
词根词缀：
insular adj. 岛国的；偏狭的
insul 岛屿 + ar …的 → 岛国的；偏狭的
insulate v. 隔离；使绝缘
insul 岛屿 + ate 做，造成，使… → 像岛屿般与世隔绝 → 隔离
insulin n. 胰岛素
insul 岛屿 + in …素 → 胰岛素
peninsula n. 半岛
pen 近似 + insul 岛屿 + a → 似岛 → 半岛
数据来源：新东方英语词汇速记大全
相关例句：
Even now we are still far too parochial, far too insular.
即使到现在我们也仍然目光太偏狭，思想太保守。
In the past, these have been rather small and insular specialties.
在过去，这些都是相当小的和孤立的专业。
Robots and immigrants ( even the insular Japanese anticipate the need for more immigration) will also help to keep the economy growing.
机器人和移民（连日本这个岛国也看到了增加移民的需要）也将有助于经济持续增长。
Great Britain is a natural island: Hungary today, under its present populist majority, is insular in its open xenophobia, in total contrast with a confident Poland that dares to recognise Germany as the "indispensable nation" of Europe.
大不列颠是个天然的岛屿：匈牙利如今在民粹主义多数派的支配下，抱着偏狭的心态，公然仇外，与充满自信的波兰形成了鲜明对比后者敢于承认德国是欧洲“不可或缺的国家”。
Again, be conscious not to burn any bridges by saying anything negative or insular.
另外，有意识地不要说任何负面的或孤立的话把自己的后路封了。
Objective: To evaluate the efficacy and complications of the lateral fissure microsurgery resection of insular glioma.
目的：探讨经外侧裂显微外科切除岛叶胶质瘤的疗效及并发症。