阿拉伯数字 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 30 40 50 60 70 80 90 100 101 1,000 1,001 2,000 10,000 100,000 1,000,000 1,000,000,000 基数词 zero/nought/nothing one two three four five six seven eight nine ten eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen twenty twenty-one thirty forty fifty sixty seventy eighty ninety a hundred a hundred and one a thousand a thousand and one two thousand ten thousand a hundred thousand a million a billion 缩写格式 - 1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th 12th 13th 14th 15th 16th 17th 18th 19th 20th 21st 30th 40th 50th 60th 70th 80th 90th 100th 101st 1,000th 1,001st 2,000th 10,000th 100,000th 1,000,000th 1,000,000,000th 序数词 - first second third fourth fifth sixth seventh eighth ninth tenth eleventh twelfth thirteenth fourteenth fifteenth sixteenth seventeenth eighteenth nineteenth twentieth twenty-first thirtieth fortieth fiftieth sixtieth seventieth eightieth ninetieth hundredth hundred and first thousandth thousand and first two thousandth ten thousandth hundred thousandth millionth Billionth 本文来源：https://www.wddqw.com/doc/a76a1496dd88d0d233d46a86.html