单词的序数词是什么
单词的序数词是: 表示次序的词。
例如:
first, second, third, fourth, fifth,sixth, seventh, eighth ,ninth, tenth,eleventh, twelfth, thirteenth,fourteenth fifteenth, sixteenth,
seventeenth ,eighteenth,nineteenth, twentieth,
twenty-first, twenty-second,
twenty-third,twenty-fourth ,twenty-fifth, twenty-sixth,
twenty-seventh,
twenty-eighth,
数词,比如12345等等才有序数词。