subpopulationWiktionary 原文中文来自 ECDICTn.(从其他人口分出或构成总人口的)分组人口构词拆分sub-前缀Under, beneath. · Subsidiary, secondary.+population词根/词干词源说明From sub- + population.释义（英文）名词 NounA subdivision of a population.词族派生词（1）subpopulational