# twenty-first ##### 词义 - 英：/ˌtwenti ˈfɜːst/； 美：/ˌtwenti ˈfɜːrst/ - #词性/n 21岁生日；21岁生日庆典 ##### 例句 - Some people have a big party for their twenty-first birthday . - 一些人会在他们21岁生日举行盛大的聚会。 - The Study of Management on Shanghai City In the Twenty-first Century - 21世纪上海城市管理研究 - On College English Teaching in Twenty-first Century for High Vocational Adults - 成人高职21世纪大学英语教学探讨