cameo
/ˈkæmɪəʊ/noun
(pl. -os)
1
- a piece of jewellery, typically oval in shape, consisting of a portrait in profile carved in relief on a background of a different colour（尤指椭圆形的）多彩浮雕宝石, 多彩浮雕首饰。
2
- a short descriptive literary sketch which neatly encapsulates someone or something文学小品; 片断：
cameos of street life.
街头生活小品。
2.1
- a small character part in a play or film, played by a distinguished actor名演员演的小角色; 客串：
as modifier he played numerous cameo roles.他在许多电影中当过客串演员。
词源
late Middle English: from Old French camahieu, cama（h）u; later influenced by Italian cam（m）eo, from medieval Latin cammaeus, related to the Old French word.