1～40的基数词和序数词

1～40的基数词和序数词

1. 基数词（1-40）：

- 1 - one

- 2 - two

- 3 - three

- 4 - four

- 5 - five

- 6 - six

- 7 - ven

- 8 - eight

- 29 - twenty-nine

- 30 - thirty

- 31 - thirty-one

- 32 - thirty-two

- 33 - thirty-three

- 17th - venteenth

- 18th - eighteenth

- 19th - nineteenth

- 20th - twentieth

- 21st - twenty-first