eiderdownWiktionary 原文英美n.鸭绒，鸭绒被中文释义来自 ECDICT构词拆解eidereider词干downdown词干词源说明From eider + down.释义名词noun1uncountableThe down of the eider duck, used for stuffing pillows and quilts.2countableA quilt stuffed with this down.