住 午 子 1st= 2nd= 3rd= first [fe:st] 中 4th= 6th= 5th= 7th= 5th 8th= 9th= = fifteenth [,fifti:ne] 第二十20th= 第十九19th=nin sixteenth [,siks'ti:n0] 第十八18th=eighteenth[,ei'ti:ne] 3rd=third[ee:d] 2nd=second ['sekond] 1st=first [fo:st] =fifth [fife] 4th=fourth [fo:e] 6th=sixth [sikse] 注意读音和书写形式 7th=seventh ['sevne] 8th=eighth [eite] 9th=ninth [naine] 第十10th=_tenth [tene] 第十一11th=eleventh [i'levne] 第十二12th=twelfth[twelfe] 5th=fifth [fife] 第二十20th=twentieth ['twentioe] 第十七17th=seventeenth [,sevn'ti:ne] 第十九19th=nineteenth[,nain'ti:ne] 第十九19th=nineteenth [,nain'ti:n0] 第五 英文中的序数词 1