thirtieth是什么意思？

thirtieth

英['θɜ:tɪəθ] 美[ˈθɚtiɪθ]

• n. 第三十，三十分之一；
• adj. 第三十个的，三十分之一的；

复数：thirtieths;

例句

• I'd like to go to Shanghai on December thirtieth. 我12月30号想要去上海.
• The present crop of books and documentaries about Marilyn Monroe exploit the thirtieth anniversary of her death. 时下出现的这些有关玛丽莲·梦露的书和纪录片是借她逝世30周年之际推出的。
• For my thirtieth birthday, my friends clubbed together and bought me a watch. 为庆祝我30岁生日，朋友们凑钱给我买了块表。
• ...the thirtieth anniversary of her death... 她逝世 30 周年的纪念日
• The present crop of books and documentaries about Marilyn Monroe exploit the thirtieth anniversary of her death... 时下出现的这些有关玛丽莲·梦露的书和纪录片是借她逝世30周年之际推出的。

柯林斯高阶英汉双解学习词典释义

• ORD
  第三十
  The thirtieth item in a series is the one that you count as number thirty.

英英词典释义

• Noun
  1. position 30 in a countable series of things
• Adjective
  1. coming next after the twenty-ninth in position