彩票套利技术:第21英语怎么说

来源:百度文库 编辑:中科新闻网 时间:2024/05/11 02:24:21
数字第21、第22、直到第30应该怎么说?

20:twentieth
21:twenty-first
22:twenty-second
23:twenty-third
24:twenty-fourth
25:twenty-fifth
26twenty-sixth
27twenty-seventh
28:twenty-eighth
29:twenty-ninth
30:thirtieth

21st 22nd 23rd 24th……29th