绒鸭，棉凫（生活在北方国家）

n.绒鸭

eider ducks───n.绒鸭

a dead duck───完蛋的人；死鸭子

better luck───祝你好运

rubber duck───橡胶帆布；橡皮鸭

air duct───风道；空气管；导风筒

bile duct───胆道，[解剖]胆管

blue duck───山蓝鸭，蓝鸭

dead duck───注定要完蛋的人；没有价值的人或事

eiderdown───n.凫绒被；凫绒；羽绒被；鸭绒被

The particular larva around which a mussel pearl forms lives in its adult stage in the eider duck.

• eider white