1、数词基数词111213141518192021304050809010010112110001021122112,345,678序数词123458912141920214499100101分数1/33/51/43/4小数0.82百分比45%日期和年份in 1933in 2000on May 27(th)on 27(th) May时间和钟点6：154：306：359：10 a.m.数学表达法指令：Add A to B Subtract A from BMultiply A by BDivide A by B运算：A plus B equals/is C.A minus B equals/is C
2、.A multiplied by B equals/is C.A divided by B equals/is C.基数词11 eleven12 twelve13 thirteen14 fourteen15 fifteen18 eighteen19 nineteen20 twenty21 twenty-one30 thirty40 forty50 fifty80 eighty90 ninety100 one hundred101one hundred and one121 one hundred and twenty one1000 one thousand1021 one thousand
3、and twenty-one1221 one thousand two hundred and twenty-one12,345,678 twelve million three hundred and forty-five thousand six hundred and seventy-eight.序数词1 first2 second3 third4 fourth5 fifth8 eighth9 ninth12 twelfth14 fourteenth19 nineteenth20 twentieth21 twenty-first44 forty-fourth99 ninety-ninth100 one hundredth101 one hundred and first
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