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
