英语第1至第30的缩写

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.