thirtynum.三十
thirty-eighthnum.第三十八
thirty-secondnum.第三十二
Thirty Years War三十年战争
Thirty Days' War松放曲线
thirty something大约三十岁;三十上下;三十左右
thirty-seventhnum.第三十七
thirty years' war放空火炬
Thirty Year's War三十年战争(欧洲16...
thirty-two-mo三十二开本
thirty-one no.三十一