第1个回答 2013-09-12
one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve, thirtee, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen, twenty, twenty-one, ... thirty, thirty-one...forty
第2个回答 2013-09-12
序数词依次如下：
1st = first
2nd = second
3rd=third
4th=fourth
5th=fifth
6th=sixth
7th=seventh
8th=eighth
9th=ninth
10th=tenth
11th=eleventh
12th=twelfth
13th=thirteenth
14th=fourteenth
15th=fifteenth
16th=sixteenth
17th=seventeenth
18th=eighteenth
19th=nineteenth
20th=twentieth
21st=twenty-first
22nd=twenty-second
23rd=twenty-third
24th=twenty-fourth
25th=twenty-fifth
26th=twenty-sixth
27th=twenty-seventh
28th=twenty-eighth
29th=twenty-ninth
30th=thirtieth
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