第21至第29的英文怎么写?
问题描述：
第21至第29的英文怎么写?
答
两位数中间加上小横线基数词twenty-one;twenty-two;twenty-three;twenty-fourtwenty-five;twenty-six;twenty-seven;twenty-eighttwenty-nine序数词twenty-first;twenty-second;twenty-third;twenty-fourth(不要少了u...