第1个回答 2019-09-22
太简单了,如下:基数——序数——序数缩写
10:ten
tenth
10th
20:twenty
twentieth
20th
30:thirty
thirtieth
30th
40:forty
fortieth
40th
50:fifty
fiftieth
50th
60:sixty
sixtieth
60th
70:seventy
seventieth
70th
80:eighty
eightieth
80th
90:ninety
ninetieth
90th
第2个回答 2019-04-17
太简单了,如下:基数——序数——序数缩写
10:ten
tenth
10th
20:twenty
twentieth
20th
30:thirty
thirtieth
30th
40:forty
fortieth
40th
50:fifty
fiftieth
50th
60:sixty
sixtieth
60th
70:seventy
seventieth
70th
80:eighty
eightieth
80th
90:ninety
ninetieth
90th
第3个回答 2016-12-07
20:twenty
30:thirty
40:forty
50:fifty
60:sixty本回答被提问者采纳
第4个回答 2016-12-07
20 twenty
30 thirty
40. forty
50. fifty
60 sixty
第5个回答 2020-06-14
20:twenty30:thirty40:forty50:fifty60:sixty