1、基数词序数词基数词序数词1one1stfirst21twenty-one21sttwenty-first2two2ndsecond22twenty-two22ndtwenty-second3three3rdthird23twenty-three23rdtwenty-third4four4thfourth24twenty-four24thtwenty-fourth5five5thfifth25twenty-five25thtwenty-fifth6six6thsixth29twenty-nine29thtwenty-ninth7seven7thseventh30thirty30ththirtie
2、th8eight8theighth40forty40thfortieth9nine9thninth50fifty50thfiftieth10ten10thtenth60sixty60thsixtieth11eleven11theleventh70seventy70thseventieth12twelve12thtwelfth80eighty80theightieth13thirteen13ththirteenth90ninety90thninetieth14fourteen14thfourteenth100one hundred100thone hundredth15fifteen15thfi
3、fteenth101one hundred and one101stone hundred and first16sixteen16thsixteenth1000one thousand17seventeen17thseventeenth1001one thousand and one18eighteen18theighteenth1100one thousand one hundred19nineteen19thnineteenth20twenty20thtwentieth月份季节、方向1Januaryspring春天2Februarysummer夏天3Marchautumn秋天4Aprilwinter冬天5Maynorth东6Junesouth南7Julywest西8Augusteast北9Septemberleft左10Octoberright右11November12December
