1、thirty-one英[ˈθɜːti wʌn]美[ˈθɜːrti wʌn]三十一。

2、[例句]Executives lived like kings. The top thirty-one executives were paid a total of$ 14.2 million. 经理们活得像国王一样。职位最高的31名经理的薪金总额达到了1,420万美元。