1st到30th的完整形式和音标

2022-03-19 教育 245阅读
first[fə:st]第一1st
second['sekənd]第二2nd
third[θə:d]第三3rd
fourth[fɔ:θ]第四4th
fifth[fifθ]第五5th
sixth[siksθ]第六6th
seventh['sevnθ]第七7th
eighth[eitθ]第八8th
ninth[nainθ]第九9th
tenth[tenθ]第十10th
eleventh[i'levnθ]第十一11th
twelfth[twelfθ]第十二12th
thirteenth['θə:ti:nθ]第十三13th
fourteenth['fɔ:'ti:nθ]第十四14th
fifteenth['fif'ti:nθ]第十五15th
sixteenth['siks'ti:nθ]第十六16th
seventeenth[.sevn'ti:nθ]第十七17th
eighteenth['ei'ti:nθ]第十八18th
nineteenth['nain'ti:nθ]第十九19th
twentieth['twentiiθ]第二十20th
thirtieth['θə:tiiθ]第三十30th

序数词下面把1-99的序数词分为四类:
1、第一类first
(1st)第一second
(2nd)第二third
(3rd)第三
(在括号里的是缩写形式,均在阿拉伯数字后面加上相应序数词的最后两个字母构成,以下各类与此相同。)这类序数词只有三个,在整个序数词里面是特殊的,就和第一类基数词一样,需要逐个地硬记下来
2、第二类:fourth
(4th)第四fifth
(5th)第五sixth
(6th)第六seventh
(7th)第七eighth
(8th)第八ninth
(9th)第九tenth
(10th)第十eleventh
(11th)第十一twelfth
(12th)第十二thirteenth
(13th)第十三fourteenth
(14th)第十四fifteenth
(15th)第十五sixteenth
(16th)第十六seventeenth
(17th)第十七eighteenth
(18th)第十八nineteenth
(19th)第十九hundredth(100th)第一百
这一类序数词共有十七个。均在相应的基数词后面加上后缀-th构成。要注意其中fifth、eighth、ninth、twelfth四个词的拼法
3、第三类:twentieth
(20th)第二十thirtieth
(30th)第三十fortieth
(40th)第四十fiftieth
(50th)第五十sixtieth
(60th)第六十seventieth
(70th)第七十eightieth
(80th)第八十ninetieth
(90th)第九十
这一类全是十位整数的序数词,共八个。它们的构成方法是:先将相应的十位整数的基数词词尾-ty中的y改成i,然后在加上后缀-eth
4、第四类:
thirty-first
(31st)第三十一sixty-second
(62nd)第六十二eighty-seventh
(87th)第八十七ninety-eighth
(98th)第九十八

这类表示“第几十几”的序数词,跟表示“几十几”的基数词一样简单。在构成方法上均由基数词“几十几”变化而来,十位数不变,仅把个位上的基数词变成序数词就行了
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