subterreneWiktionary 原文英美构词拆解subsub-前缀terreneterrene词干sub-Under, beneath. · Subsidiary, secondary.词源链拉丁语Latin约前 75–公元 3 世纪subterrēnus↓ 借入英语Englishsubterrene词源说明From Latin subterrēnus. By surface analysis, sub- + terrene.释义形容词adjective1underground, subterranean名词noun1rareA machine for drilling or tunneling underground.