subdisciplineWiktionary 原文英美n.学科的分支中文释义来自 ECDICT构词拆解subsub-前缀disciplinediscipline词干sub-Under, beneath. · Subsidiary, secondary.词源说明From sub- + discipline.释义名词noun1A field of study or work that is related to one aspect, but not the whole, of a broader field of study or work.