twentieth/20th

twenty 是基數詞 (20)，它的序數詞是 twentieth (第20)。

序數詞: twentiethn. 第二十；二十分之一adj. 第二十的；二十分之一的Thank you for celebrating my twentieth birthday for me.感謝你為我慶祝我的二十歲生日。My parents are going to celebrate their twentieth wedding anniversary.我父母要慶祝他們的第二十個結婚紀念日。He received only one twentieth of the total dividend.他只得到了總股息的二十分之一。Some have called him the greatest entertainer of the twentieth century.有人稱他為二十世紀最偉大的表演藝術家。

20基數詞twenty 序數詞 twentieth21基數詞twenty-one 序數詞twenty-first22 基數詞twenty-two 序數詞twenty-second23.基數詞twenty-three 序數詞twenty-third

從第一到第六十的序數詞如下：第1first第2second第3third第4fourth第5fifth第6sixth第7seventh第8eighth第9ninth第10tenth第11eleventh第12twelfth第13thirteenth第14fourteenth第15fifteenth第16sixteenth第17seventeenth第18eighteenth第19nineteenth第20twentieth第21twenty-first第22twenty-second第23twenty-third第24twenty-fourth第25twenty-fifth第26twenty-sixth第27twenty-seventh第28twenty-eighth第29twenty-ninth第30thirtieth第31thirty-first第32thirty-second第33thirty-third第34thirty-fourth第35thirty-fifth第36thirty-sixth第37thirty-seventh第38thirty-eighth第39thirty-ninth第40fortieth第41forty-first第42forty-second第43forty-third第44forty-fourth第45forty-fifth第46forty-sixth第47forty-seventh第48forty-eighth第49forty-ninth第50fiftieth第51fifty-first第52fifty-second第53fifty-third第54fifty-fourth第55fifty-fifth第56fifty-sixth第57fifty-seventh第58fifty-eighth第59fifty-ninth第60sixtieth