如何英語表達15

1、fifteen英[ˌfɪfˈtiːn]美[ˌfɪfˈtiːn]n.十五; 十五個人組成的橄欖球隊;num.十五。

2、[例句]In those days most people left school when they were only fifteen years old.那時候，大多數人上學只上到十五歲。