##### 数词分类 | 数字 | 基数词 | 序数词 | | ----------------- | -------------------- | -------------------------- | | 0 | [[zero]] | | | 1 | [[one]] | 1st: [[first]] | | 2 | [[two]] | 2nd: [[second]] | | 3 | [[three]] | 3rd: [[third]] | | 4 | [[four]] | 4th: [[fourth]] | | 5 | [[five]] | 5th: [[fifth]] | | 6 | [[six]] | 6th: [[sixth]] | | 7 | [[seven]] | 7th: [[seventh]] | | 8 | [[eight]] | 8th: [[eighth]] | | 9 | [[nine]] | 9th: [[ninth]] | | 10 | [[ten]] | 10th: [[tenth]] | | 11 | [[eleven]] | 11th: [[eleventh]] | | 12 | [[twelve]] | 12th: [[twelfth]] | | 13 | [[thirteen]] | 13th: [[thirteenth]] | | 14 | [[fourteen]] | 14th: [[fourteenth]] | | 15 | [[fifteen]] | 15th: [[fifteenth]] | | 16 | [[sixteen]] | 16th: [[sixteenth]] | | 17 | [[seventeen]] | 17th: [[seventeenth]] | | 18 | [[eighteen]] | 18th: [[eighteenth]] | | 19 | [[nineteen]] | 19th: [[nineteenth]] | | 20 | [[twenty]] | 20th: [[twentieth]] | | 30 | [[thirty]] | 30th: [[thirtieth]] | | 40 | [[forty]] | 40th: fortieth | | 50 | [[fifty]] | 50th: fiftieth | | 60 | [[sixty]] | 60th: sixtieth | | 70 | [[seventy]] | 70th: seventieth | | 80 | [[eighty]] | 80th: eightieth | | 90 | [[ninety]] | 90th: ninetieth | | 21 | twenty-one | 21st: twenty-first | | 22 | twenty-two | 22nd: twenty-second | | 23 | twenty-three | 23rd: twenty-third | | ... | ... | ... | | 100 | one [[hundred]] | 100th: one [[hundredth]] | | 200 | two hundred | 200th: two hundredth | | 300 | three hundred | 300th: three hundredth | | ... | ... | ... | | 900 | nine hundred | 900th: nine hundredth | | 1,000 | one [[thousand]] | 1000th: one [[thousandth]] | | 2,000 | two thousand | 2000th: two thousandth | | 3,000 | three thousand | 3000th: three thousandth | | ... | ... | ... | | 9,000 | nine thousand | 9000th: nine thousandth | | 10,000 | ten thousand | 1000th: ten thousandth | | 20,000 | twenty thousand | 2000th: twenty thousandth | | 30,000 | thirty thousand | 3000th: thirty thousandth | | ... | ... | ... | | 90,000 | ninety thousand | 9000th: ninety thousandth | | 100,000 | one hundred thousand | | | 1,000,000 | one [[million]] | | | 10,000,000 | ten million | | | 1,000,000,000 | one [[billion]] | | | ... | ... | ... | | 1,000,000,000,000 | one [[trillion]] | |