twenty的序数词读音

　　twentieth /twentiəθ/

　　Some have called him the greatest entertainer of the twentieth century.

　　有人曾称他为20世纪最伟大的艺人。

　　She is nineteen, and next year she is going to celebrate her twentieth birthday.

　　她十九岁了，明年她将庆祝二十岁生日。