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2022年初中英语:基数词的构成


    基数词的构成
    (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 先说“几十”,再说“几”,中间加连字符。
    23→twenty-three,34→thirty-four,
    (3)101—999先说“几百”,再加and,再加末两位数或末位数;
    586→five hundred and eighty-six,803→eight 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,然后一节一节地表示。
    9,785→nine thousand, seven hundred and eighty-five
    6,260,309→six million two hundred and sixty thousand three hundred and nine
    750,000,000,000→seven hundred and fifty, billion
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