词组短语短语Aythya nyroca Ferruginous Duck 白眼潜鸭ferruginous duck更多词组英英字典柯林斯英英字典 a common European duck, Aythyra nyroca, having reddish-brown plumage with white wing bars ferruginous duck剑桥字典ferruginous duck柯林斯字典