230序数词

230的基数词:two hundred and thirty. 序数词是:two hundred and thirtieth

表示顺序的词叫序数词。如：first，third，fourth这样的词

举例382的基数词:three hundred and eighty-two. 序数词是:three hundred and eighty-second. 143的基数词:one hundred and forty- three. 序数词是:one hundred and forty-third。