基數(shù)詞的構(gòu)成

(1)1-20

one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve,thirteen,fourteen,fifteen, sixteen, seventeen, eighteen, nineteen, twenty

(2)21-99 先說“幾十”，再說“幾”，中間加連字符。

23→twenty-three,34→thirty-four,45→forty—five,56→fifty-six,67→sixty-seven,78→seventy-eight,89→eighty-nine,91→ninety-one

(3)—999先說“幾百”，再加and,再加末兩位數(shù)或末位數(shù);

586→five hundred and eighty-six,803→eight hundred and three

(4)l,000以上,先從右往左數(shù)，每三位數(shù)加一個(gè)“,”,第一個(gè)“,”前為thousand.第二個(gè)“,”前為

million,第三個(gè)“,”前為billion(美式)或thousand ,million(英式),然后一節(jié)一節(jié)地表示。

1,001→one thousand and one

9,785→nine thousand, seven hundred and eighty-five

18,423→eighteen thousand, four hundred and twenty-three

6,260,309→six million two hundred and sixty thousand three hundred and nine

750,000,000,000→seven hundred and fifty, billion(美式) seven hundred and fifty thousand million(英式)

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