同根派生 Aythya ferina相关词英汉例句用作名词 (n.)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.潜鸭，一种潜鸭属潜水鸭，尤指产于欧洲和亚洲的红头潜鸭，它有灰黑色的羽毛和浅红色的头。Aythya ferina更多例句