20th用英语怎么读
20到30的基数词和序数词及缩写？
20到30的基数词和序数词及缩写？
20到30的序数词为：
第20 twentieth 20th
第21 twenty-first 21st
第22 twenty-second 22nd
第23 twenty-third 23rd
第24 twenty-fourth 24th
第25 twenty-fifth 25th
第26 twenty-sixth 26th
第27 twenty-seventh 27th
第28 twenty-eighth 28th
第29 twenty-ninth 29th
第30 thirtieth 30th
20到30的基数词为：
twenty；
twenty-one、twenty- two、twenty- three、twenty- four、 twenty- five、twenty- six、twenty- seven、twenty- eight、twenty- nine、thirty。
1-20的基数词和序数词规则？
one two three four five six seven eight nine ten eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen twenty
first (1st)
second (2nd)
third (3rd)
fourth (4th)
fifth (5th)
sixth (6th)
seventh (7th)
eighth (8th)
ninth (9th)
tenth (10th)
eleventh (11th)
twelfth(12th)
thirteenth (13th)
fourteen (14th)
fifteenth (15th)
sixteenth (16th) seventeen (17th)
eighteenth (18th)
nineteenth (19th)
twentieth (20th)
注：英语序数词第1-19除了first、 second、 third 有特殊形式外，其余均由基数词加后缀-th 构成。