英文 1st 2nd 3rd

英文 1st 2nd 3rd 1st 2nd 3rd 是怎么来的? 1st 2nd 3rd怎么读? 英文 第一是1st,第二是2nd,第三是3rd,那么第1.5的写法是什么? 完整缩写形式Dec. 1st【 】 Oct. 2nd【 】Sept. 3rd【 】 Aug.4th 【 】 5th.12th.2nd.1st.9th.3rd. 第一1st,第二2nd,第三3rd,那么第四之后呢 英文日期缩写 这样对?1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th ； 11th 1 为啥第一是1ST,第二是2ND,第三是3RD,第四开始都是TH呢 英文日期的表示方法在英文中,年\月\日的"日",1st,2nd,3rd,分别是原单词的2个尾字母作为后缀,那么,如果是1 th,nd,st,就是把5ht化成完整单词,12th 2nd又是什么意思化成完整单词1st 9th 3rd 8th 7t 用英语序数词,表示下列数字 1st 2nd 3rd 4th 5th 6th 7th 8th 9th