grandsonWiktionary 原文中文来自 ECDICTn.孙子，外孙构词拆分grand-前缀of a generation removed from the original noun+son词根/词干词源说明From grand- + son.释义（英文）名词 NounA son of one's child.词族派生词（7）grandson-in-lawgrandsonlessgrandsonlygrandsonshipgreat-grandsongreat-great-grandsonstepgrandson