n.鸟类羽毛;翅膀;华丽的衣服
The parrot has got bright plumage. 鹦鹉有一身漂亮的羽毛。
The costs of melanin-based plumage and iridescence are clearly different from the above. 黑色素翅膀和彩虹色翅膀的代价与上面却完全不同。