1-29基数词:
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。