eighteen

eighteen的音标是[ˌeɪtɪn]，基本翻译是十八。速记技巧可以是谐音记忆：“诶特因”。

Eighteen这个词的词源可以追溯到古英语中的“eit”和“wan”，意为“十二”。它的变化形式包括复数形式“eighteens”，过去式“eighteen”和过去分词“eighteen”。

相关单词：

“twenty” (二十) 和 “eighteen” (十八) 都来自于十二进制系统，这是古英语时期引入的计数系统。

“eighteenth” (第十八的) 是 “eighteen” 的序数形式，表示在十八个中的第十八。

“eighteenth” 还可以用作形容词，意思是“十八的”。

“eighteenth-century” (十八世纪的) 指的是从公元1700年到1800年这段时间。

“eighteenth-century literature” (十八世纪文学) 是指这一时期的各种文学作品。

“eighteenth-century philosophy” (十八世纪哲学) 指的是这一时期的各种哲学思想。

“eighteenth-century thought” (十八世纪的思想) 可以指代这一时期的各种思想流派和观点。

“eighteen-year-old” (十八岁的) 指的是满十八周岁的人。

“yearly eighteen” (每年十八次) 可以表示平均每年发生十八次的事情。

以上就是关于“eighteen”的一些相关单词，希望对你有所帮助。

常用短语：

1. eighteen years old

2. eighteen-year-old

3. at eighteen

4. eighteen times

5. eighteen months

6. eighteen days

7. eighteen years later

8. eighteen-year-old girl

例句：

1. She turned eighteen last month and is now considered an adult.

2. She is an eighteen-year-old student who is very hardworking.

3. At eighteen, she decided to pursue her dream of becoming a doctor.

4. Eighteen times a year, she volunteers at a local soup kitchen.

5. After eighteen months of hard work, she finally passed her driver"s license exam.

6. She spent her eighteenth birthday in the hospital after a car accident.

7. Eighteen years later, she still remembers the day she left for college.

英文小作文：

Today I am eighteen years old, and I feel so excited and nervous at the same time. I remember when I was a child, I always dreamed of growing up and becoming an adult, but now that I am here, I realize that it"s not as easy as I thought. Being an adult means taking responsibility for yourself, making decisions, and facing challenges that you never thought you would have to face before.

At the same time, being an adult also means having freedom and independence, which I am very grateful for. I can do whatever I want, go wherever I want, and make my own decisions about my life. However, it also means that I have to be responsible for myself and make sure that I am taking care of myself and my future.

Overall, being an adult is a great experience, but it also brings a lot of challenges and responsibilities that I never thought I would have to face before. I am looking forward to the future and all the opportunities that lie ahead of me.