详细解释:n. 大奖章, 圆形浮雕, 圆形装饰
英语解释：
名词 medallion:
any of various large ancient Greek coinsa circular helping of food (especially a boneless cut of meat)an emblem indicating that a taxicab is registeredan award for winning a championship or commemorating some other event同义词：decoration, laurel wreath, medal, palm, ribbon