fifteenth

fifteenth的音标是[ˌfifɪnθɪə(r)]，基本翻译是第十五，速记技巧是：谐音“费吩惜”。

fifteenth这个词的词源可以追溯到拉丁语词汇“quindices”，意为“第十五”。它的变化形式主要有复数形式“fifteenths”和过去式“fifteendeth”。

相关单词：

1. “fifteen”是它的原型，表示十五，是数量词。

2. “fifteenth”可以作为形容词，表示第十五的。

3. “fifteendeath”可以表示十五个死亡，或者处以死刑。

4. “fifteens”是它的复数形式，可以表示十五个或十五块钱。

5. “fifteenth-century”表示十五世纪，可以用来描述某个时间段的特定历史时期。

6. “fifteenth-anniversary”表示十五周年纪念日，用来庆祝某个重要事件或成就的周年纪念。

7. “fifteenth-month”表示第十五个月，可以用来描述某个时间段内的月份。

8. “fifteenth-century Europe”表示欧洲十五世纪的历史时期。

9. “fifteenth-rate”表示低劣的品质或等级，通常用来形容某个事物或人的品质或能力。

10. “fifteenth-hand”表示二手的，通常用来形容某个物品已经使用过一段时间或者已经被多次转手。

在英语中，fifteenth这个词的使用非常广泛，它不仅可以帮助我们理解历史背景和文化内涵，还可以帮助我们更好地理解和使用其他相关的词汇和短语。

常用短语：

1. fifteenth floor

2. fifteenth birthday

3. at the fifteenth minute

4. on the fifteenth day

5. in the fifteenth century

6. the 15th of every month

7. the 15th of July

例句：

1. The elevator arrived on the fifteenth floor.

2. It was my sister"s fifteenth birthday and we had a party.

3. We had to work until the fifteenth minute of the hour.

4. After a month, it was on the fifteenth day of the month.

5. In the fifteenth century, people believed in magic.

6. She always remembers to write a letter on the 15th of every month.

7. The 15th of July is a public holiday in many countries.

英文小作文：

Today is my fifteenth birthday, and I feel very happy and excited. I have been looking forward to this day for a long time because it means I am now a year older and wiser. I have learned so many new things and made some great friends since last year. I am also looking forward to what the future holds for me because I am sure it will be filled with many wonderful experiences and opportunities. As I grow older, I realize how important it is to cherish every moment and to make the most of every opportunity that comes my way. Today, I will celebrate my birthday with my family and friends and enjoy every minute of it.