30到35的基数词和序数词是怎么写?
30 基数词thirty,序数词thirtieth
31 基数词thirty-one,序数词thirty-first
32 基数词thirty-two,序数词thirty-second
33 基数词thirty-three,序数词thirty-third
34 基数词thirty-four,序数词thirty-fourth
35 基数词thirty-five,序数词thirty-fifth