duck feather
英 [dk fe(r)] 美 [dk fer]
鸭毛;求购鸭毛;波兰求购鸭绒;羽毛被
例句:
Square mixed plain satin plaited duck feather cushion
方型素缎褶裥鸭低毛绒靠垫
Beak Clipping the Effect of Duck Feather Picking and Productivity
断喙对肉鸭啄羽及其生产性能的影响