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第二十一英语缩写

第二十一英语缩写为21st。因为英语第四之后的数字都是加后缀th,但从20以后如果遇到个位数为1、2、3的还得按照1st、2nd和3rd来写,第二十一英语单词为twenty first,它的缩写为21st。

第二十一英语缩写

1、first:1st

2、second:2nd

3、third:3rd

4、fourth:4th

5、fifth:5th

6、sixth:6th

7、seventh:7th

8、eighth:8th

9、ninth:9th

10、tenth:10th

11、eleventh:11th

12、twelfth:12th

13、thirteenth:13th

14、fourteenth:14th

15、fifteenth:15th

16、sixteenth:16th

17、seventeenth:17th

18、eighteenth:18th

19、nineteenth:19th

20、twentieth:20th

21、twenty-first:21st

22、twenty-second:22nd

23、twenty-third:23rd

24、tewnty-fouth:24th

25、twenty-fifth:25th

26、twenty-sixth:26th

27、twenty-seventh:27th

28、twenty-eighth:28th

29、twenty-ninth:29th

30、thirtieth:30th

 

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