常見例句Any of various diving ducks of the genus Aythya,especially A. ferina of Europe and Asia,which has gray and black plumage and a reddish head.潛鴨，一種潛鴨屬潛水鴨，尤指産於歐洲和亞洲的紅頭潛鴨，它有灰黑色的羽毛和淺紅色的頭。 返回 Aythya