20的序数词,1~20的基数词和序数词是什么?
摘要one-first two-second three-third four-fourth five-fifth six-sixth seven-seventh eight-eighth nine-ni
one-first
two-second
three-third
four-fourth
five-fifth
six-sixth
seven-seventh
eight-eighth
nine-ninth
ten-tenth
eleven-eleventh
twelve-twelfth
thirteen-thirteenth
fourteen-fourteenth
fifteen-fifteenth
sixteen-sixteenth
seventeen-seventeenth
eighteen-eighteenth
nineteen-nineteenth
twenty-twentieth
序数词first (1st) 第一
second (2nd) 第二
third (3rd) 第三
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
twentieth (20th) 第二十
