a South American cichlid fish with velvety brown young and multicoloured adults, popular in aquaria
地图鱼。
(
〈美国商标〉 (美国电影艺术科学院颁发的)奥斯卡金像(奖)。[ORIGIN: one of the several speculative stories of its origin claims that the statuette reminded Margaret Herrick, an executive director of the Academy of Motion Picture Arts and Sciences, of her uncle Oscar.]
a code word represent- ing the letter O, used in radio communication
(无线电通讯中)字母O的代码。
〈澳/新西兰,非正式〉 钱。
"early 20th cent.: from the name