321 587 312怎么读？ 还有2007年 怎么读

three hundred and twenty-one million five hundred and eighty-seven thousand three hundred and twelve

the year two thousand and seven

three hundred and twenty-one million five hundred and eighty-seven thousand three hundred and twelve

2007 twenty 0(念oh) seven

第一个举一个例子，
先把数字写下来160'3201,这是中文分法,再转化成英文分法: 1,603,201 再翻译就好了
one million six hundred and three thousand two hundred and one
记住以下:
1,00 one hundred
1,000 one thousand
1,000,000 one million(百万)
1,000,000,000 one billion (十亿)
比这更大的数字,
1,000,000,000,000 one thousand billion.
以此类推.....