词根：-insul-

【词根含义】：岛

【词根来源】：来源于拉丁语名词insula, insulae, f(岛)。

【同源单词】：insular, insularity, insulate, insulation, insulator

前缀：pen-, pene-

【词根含义】：几乎

【词根来源】：来源于拉丁语paene, pene(几乎)

【同源单词】：peninsula

词根词缀：insulino-, insulin-, insula-, insulo-, insul-, isle

【来源及含义】Latin: island; derived from insul[a], "island" [used here in reference to the islands [islets] of Langerhans, irregular structures in the pancreas that produce the protein hormone insulin which is secreted into the blood where it regulates sugar metabolism]

【同源单词】aisle, circuminsular, ethological isolation, insular, insularism, insularity

词根词缀：peni-, pen-

【来源及含义】Latin: paene, almost, nearly

【同源单词】antepenult, antepenultimate, antepenultimate, Baja California Peninsula, Iberian Peninsula, peninsula