buttocks的音標是[?b?tk?ts]，基本意思是“屁股，臀部”。

速記技巧：可以嘗試用拼音聯想速記，即“屁股”可以聯想為“屁股坐土”。

Buttocks這個詞的詞源可以追溯到古英語單詞buttocks，意思是“屁股”。它最初是由拉丁語buttum（屁股）演變而來，后來在英語中逐漸演變?yōu)橐粋€獨立的單詞。

Buttocks的變化形式包括復數形式（buttocks），過去式（butted）和過去分詞（butted）。

相關單詞方面，除了Buttocks本身之外，還有bottom這個詞，它也可以表示“屁股”，而且它還可以作為名詞和形容詞使用。除此之外，還有seaboard這個詞，它也可以表示“屁股”，因為這個詞在某些方言中可以用來指代一個人的臀部。另外，還有bum這個詞，它也可以表示“屁股”，而且它還可以用來形容一個人的身材。除此之外，還有derriere這個詞，它也可以用來表示“屁股”，而且它還可以用來形容一個人的臀部。這個詞在某些語境中也可以表示“后方”或“后部”。

總之，Buttocks這個詞在英語中有著豐富的含義和用法，它不僅可以用來表示人的臀部，還可以用來形容一個人的身材或表示某個物體的底部。同時，還有很多與之相關的單詞，它們在英語中也有著廣泛的應用。

常用短語：

1. buttocks cheeks

2. wiggle buttocks

3. shake buttocks

4. bounce buttocks

5. jiggle buttocks

6. wiggle and jiggle buttocks

7. wiggle buttocks around a pole

例句：

1. She wiggled her buttocks in time to the music.

2. The dancer shook her buttocks for the audience"s enjoyment.

3. The football player bounced his buttocks as he ran down the field.

4. The jiggling of his buttocks gave him away as a cheater.

5. The dancer wiggled and jiggle her buttocks seductively on stage.

6. The DJ wiggled and jiggled his buttocks around a pole, playing music for the crowd.

7. I love to wiggle my buttocks when I dance, it feels so good!

英文小作文：

Buttocks are an essential part of our body, and they play an important role in our daily lives. Whether we are sitting, standing, or moving, our buttocks are constantly working to support our body weight and maintain balance. Buttocks also provide a cushion for our sitz bones, protecting them from excessive pressure and pain.

Buttocks are also a source of pleasure and fun. We can wiggle our buttocks to the rhythm of music, or use them to express our emotions and feelings. Whether it"s a simple wiggle or a full-on dance move, buttocks movements can be a fun way to express ourselves and have fun with friends and family.

In conclusion, buttocks are an essential part of our body that play an important role in our daily lives, providing support, cushioning, and pleasure. We should take care of our buttocks by sitting properly, exercising regularly, and avoiding harmful activities that can damage them. At the same time, we should embrace our buttocks and use them to express ourselves and have fun!