不，英文中日期的縮寫不是按照數字直接加上“th”來表示的。英文日期的縮寫需要根據具體的日期來決定結尾的字母。以下是英文中1到31日正確的縮寫形式：

- 1st - 1st January

- 2nd - 2nd January

- 3rd - 3rd January

- 4th - 4th January

- 5th - 5th January

- 6th - 6th January

- 7th - 7th January

- 8th - 8th January

- 9th - 9th January

- 10th - 10th January

- 11th - 11th January

- 12th - 12th January

- 13th - 13th January

- 14th - 14th January

- 15th - 15th January

- 16th - 16th January

- 17th - 17th January

- 18th - 18th January

- 19th - 19th January

- 20th - 20th January

- 21st - 21st January

- 22nd - 22nd January

- 23rd - 23rd January

- 24th - 24th January

- 25th - 25th January

- 26th - 26th January

- 27th - 27th January

- 28th - 28th January

- 29th - 29th January

- 30th - 30th January

- 31st - 31st January

因此，22日的正確縮寫是 "22nd"。需要注意的是，當數字大于20時，通常只有20th、21st、22nd、23rd這幾個日期的縮寫會加上特定的后綴，其他以0結尾的日期（如30th）也使用“th”。

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