偶看新闻批量圆柱体怎么铣端面:英语日期序数词的写法
来源：百度文库 编辑：偶看新闻 时间：2024/05/01 08:19:23
教英语11年、念汉字10年、在中国住6年的外国人说：
有1的加st，有2的加nd，有3的加rd，其余加th，除了11-13外。
1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th, 9th, 10th
11th, 12th,13th, 14th, 15th, 16th, 17th, 18th, 19th, 20th
21st, 22nd, 23rd, 24th, 25th, 26th, 27th, 28th, 29th, 30th
31st
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第一first1st第二second2nd第三third3rd第四fourth4th第五fifth5th第六sixth6th第七seventh7th第八eighth8th第九ninth9th第十tenth10th第十一eleventh11th第十二twelfth12th第十三thirteenth13th第十四fourteenth14th第十五fifteenth15th第十六sixteenth16th第十七seventeenth17th第十八eighteenth18th第十九nineteenth19th第二十twentieth20th第二十一twentieth-first21st第二十二twentieth-second22nd第二十三twentieth-third23rd第二十四twentieth-fourth24th除第11、第12、第 13，数字后加 th 外，逢1，2，3都是加 st 、nd 、rd，如此类推：
1st 2nd 3rd ... 4th 5th 6th 7th ... 20th
21st 22nd 23rd ... 24th 25th ... 30th
31st 32nd 33rd ... 34th 35th ... 40th