insular
adj
1 of an island 岛的; 岛上的: an insular climate, way of life 海岛的气候、 生活方式.
2 (derog 贬) narrow-minded and avoiding contact with others 偏狭的; 不愿与他人接触的
an insular attitude 偏狭的态度
insular habits and prejudices 狭隘的习性和偏见.
Despite the fact that the bottle is tinted a delicate shade of green, an observant visitor would soon notice that it is filled with what looks like a thick, grayish substance.