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
从20开始后的非整数数字,就直接是整数单词和个位数单词组合而成了,如21是twenty one,121是one hundred and twenty one等。
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
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