在月份后什么时候用th什么时候用dn什么时候用st
加st的场合——
1: first, 1st
(注:11是eleventh, 11th)
21: twenty-first, 21st
31: thirty-first, 31st
41: forty-first, 41st
以此类推。
只要以-first结尾的,写成数字就要加st。
加nd的场合——
2: second, 2nd
(注:12是twelfth, 12th)
22: twenty-second, 22nd
32: thirty-second, 32nd
41: forty-second, 42nd
以此类推。
只要以-second结尾的,写成数字就要加nd。
除了-st和-nd,还有一个-rd:
3: third, 3rd
(注:13是thirteenth, 13th)
23: twenty-third, 23rd
33: thirty-third, 33rd
43: forty-third, 43rd
以此类推。
只要以-third结尾的,写成数字就要加rd。
其它的数字都加th。