1、十五英语：fifteen 2、读法：英[ˌfɪfˈtiːn]、美[ˌfɪfˈtiːn]3、n.十五; 十五个人组成的橄榄球队;4、[例句]In those days most people left school when they were only fifteen years old.那时候，大多数人上学只上到十五岁。5、[其他]复数：fifteens