摘要：数字 基数词one two three four ★five six seven eight nine ten 序数词 fourth sixth 基数词 eleven ★twelve thirteen fourteen fifteen 序数词 基数词 sixteen seventeen eighteen nineteen ★twenty 序数词 基数词 twenty-one twenty-two twenty-three twenty-four twenty-five 序数词 基数词 thirty thirty-one forty fifty sixty 序数词 ◇基数词与序数词的区别:基数词是“第- 的意思,前面都有单词the

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