英文单词 「医疗的」 「疯狂的」.一到二十序数词,三十,四十,五十,九十的基、序数词

medical crazy one first two second three third four fouth five fifth six sixth seven seventh eight eighth nine ninth ten tenth eleven eleventh twelve twelfth thirteen thirteenth fourteen fourteenth fifteen fifteenth sixteen sixteenth seventeen seventeenth eighteen eighteenth nineteen nineteenth twenty twentieth thirty thirtieth forty fortieth fifth fiftieth sixty sixtieth seventy seventieth eighty eightieth ninety ninetieth