四、数词:基数词,序数词一、基数词 (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 先说几十,再说几,中间加连字符。 23twenty-three,34thirty-four,45fortyfive,56fifty-six,67sixty-seven,78seventy-eight,89eighty-nine,91ninety-one (3)101999先说几百,再加and,再加末两位数或末位数; 586five hundred and eighty-six,803eight hundred and three (4)l,000以上,先从右往左数,每三位数加一个,,第一个,前为thousand.第二个,前为million,第三个,前为billion 1,001one thousand and one 18,423eighteen thousand,four hundred and twenty-three 6,260,309six million two hundred and sixty thousand three hundred and nine 750,000,000,000seven hundred and fifty billion 二、序数词 (1)一般在基数词后加th |