swansdown
/ˈswɒnzdaʊn/noun
mass noun
1
- the fine down of a swan, used for trimmings and powder puffs天鹅绒。
2
- a thick cotton fabric with a soft nap on one side纬面起绒的厚棉布, 天鹅绒布。
2.1
- a soft, thick fabric made from wool mixed with a little silk or cotton（用羊毛, 丝, 棉混纺织成的）天鹅绒女式呢。