美[kɑɡˈnomən] 1 . Rufus is an unusual cognomen .
鲁弗斯不是一个平常的姓。
来自辞典例句
1.a familiar name for a person (often a shortened version of a person's given name);
Joe's mother would not use his nickname and always called him Joseph
2.the name used to identify the members of a family (as distinguished from each member's given name)
