1、costume是指服装、戏剧或电影的演出服，泳装、某历史时期的服装。
2、作名词使用时这样说，a costume designer戏装设计师，swimming costume泳装。
3、例句：Our host was wearing a clown costume. 我们的主人穿着小丑服。
4、例句：The children were dressed in Halloween costumes. 孩子们都是万圣节打扮。The performers, in costume and makeup, were walking up and down backstage. 演员们穿着戏服化着妆，在后台走来走去。
5、短语：costume drama是古装剧，costume party是化妆舞会。
