英语的数字 从右往左 数三位打个逗号。第一个三位读thousand 第二个三位读million 第三个三位读billon 逗号之间的三位数按照几百几十几读 十位和个位之间加and
5,123,456,789
five billon one hundred and twenty three million four hundred and fifty six thousand seven hundred and eighty nine
百
one hundred and...(one)一百零一
two hundred and...(fifteen)两百一十五
千
one thousand and one 一千零一
two thousand three hundred 两千三百