30数字英文单词怎么写?

问题描述:

30数字英文单词怎么写?

基数词还是序数词啊?基数词:one(1) two(2) three(3) four(4) five(5) six(6) seven(7) eight(8) nine(9) ten(10) eleven(11) twelve(12) thirteen(13)fourteen(14) fifteen(15) sixteen(16) seventeen(17) eighteen...