基数词:1-31
1 one
2 two
3 three
4 four
5 five
6 six
7 seven
8 eight
9 nine
10 ten
11 eleven
12 twelve
13 thirteen
14 fourteen
15 fifteen
16 sixteen
17 seventeen
18 eighteen
19 nineteen
20 twenty
21 twenty-one
22 twenty-two
23 twenty-three
24 twenty-four
25 twenty-five
26 twenty-six
27 twenty-seven
28 twenty—eight
29 twenty- nine
30 thirty
序数词
(the)first第一
(the)second第二
(the)third第三
(the)fourth第四
(the)fifth第五
(the)sixth第六
(the)seventh第七
(the)eighth第八
(the)ninth第九
(the)tenth第十
(the)eleventh第十一
(the)twelfth第十二
(the)thirteenth第十三
(the)fourteenth第十四
(the)fifteenth第十五
(the)sixteenth第十六
(the)seventeenth第十七
(the)eighteenth第十八
(the)nineteenth第十九
(the)twentieth第二十
(the)twenty-first第二十一
(the)twenty-second第二十二
(the)twenty-third第二十三
(the)twenty-fourth 第二十四
(the)twenty-fifth 第二十五
(the)twenty- sixth 第二十六
(the)twenty- seventh 第二十七
(the)twenty- eighth 第二十八
(the)twenty- ninth 第二十九
(the)thirtieth第三十
(the)thirty-first第三十一