具体如下：

first第一 1st

second第二 2nd

third第三 3rd

fourth第四 4th

fifth第五 5th

sixth第六 6th

seventh第七 7th

eighth第八 8th

ninth第九 9th

tenth第十 10th

eleventh第十一 11th

twelfth第十二 12th

thirteenth第十三 13th

fourteenth第十四 14th

fifteenth第十五 15th

sixteenth第十六 16th

seventeenth第十七 17th

eighteenth第十八 18th

nineteenth第十九 19th

twentieth第二十 20th

(one)hundredth第一百 100th