birthday

birthday的音标是[ˈbɜːrθdeɪ]，基本翻译是生日，速记技巧是：比时瑞丢（谐音：比时瑞丢）意为生日。

Birthday的英文词源：

Birthday这个词源自于古英语中的“bithdæg”，意为“出生日”。在古英语中，“bith”意为“出生”，“dæg”则表示“日子”。

变化形式：

Birthday作为名词时，没有明显的变化形式。作为形容词时，可以变为birthday-like，表示类似于生日的。

相关单词：

1. Birth - 名词出生，动词出生；

2. Day - 名词天，一天；

3. Life - 名词生活，生命；

4. Birthright - 名词出生权利；

5. Betrothal - 名词婚约；

6. Rebirth - 名词重生，动词再出生；

7. Natal - 形容词或名词，表示与出生有关的；

8. Natality - 名词出生率；

9. Groom - 名词新郎，动词迎娶；

10. Wedding - 名词婚礼，动词结婚。

这些单词都与birthday这个词有某种联系，因为它们都与出生、生命等主题有关。

常用短语：

1. celebrate one"s birthday

2. have a birthday party

3. blow out the candles

4. make a wish

5. cut the birthday cake

6. sing happy birthday to sb

7. give birthday presents

例句：

1. We are having a birthday party for my sister tomorrow.

2. She blew out the candles on her cake and made a wish.

3. We cut the cake and everyone sang happy birthday to her.

4. She opened her presents and was very happy.

5. My friend"s birthday is on the 15th of July, and we always celebrate it together.

6. It"s my birthday today and I feel very lucky to have so many friends wishing me well.

7. It"s my turn to buy birthday presents for my friends, which is a lot of fun!

英文小作文：

Today is my birthday, and I feel very special. I woke up early and had a big breakfast with my family. Then, I had a surprise party at my friend"s house, which was so much fun! We played games, ate delicious food, and sang songs together. It was a great way to start my day, and I feel very lucky to have so many people who care about me. I hope everyone has a great birthday filled with love and happiness!