hair pin的音標是[?he?r p?n]，基本翻譯是發夾。速記技巧可以用拼音聯想的方法，即“發夾”快速記憶的方法是“發展生產力”。

Hairpin的英文詞源是來自德語的Haarbüchse，意為“發夾”。它的變化形式包括名詞形式如Hairpin和Pinhair，形容詞形式如Hair-pinched，以及動詞形式如hairpin。

相關單詞：

1. Hairpin bow：發夾式弓，一種用于演奏弓弦樂器的小型弓。

2. Hairpin wire：彈簧鋼絲，用于制造彈簧和其他需要彈性的裝置。

3. Hairpin turn：急轉彎，一種道路或航行中的特殊轉彎方式。

4. Hairpin neck：一種形狀類似于發夾的頸部形狀，通常用于珠寶設計。

5. Hairpin fork：一種自行車車輪部件，用于增加輪胎的抓地力。

6. Hairpin valve：一種閥門設計，具有狹窄的通道，通常用于高壓系統。

7. Hairpin loop：一種電路設計，具有狹窄的路徑，通常用于提高信號強度或減少干擾。

8. Hairpin antenna：一種無線電天線設計，具有狹窄的形狀和彎曲的末端，通常用于小型設備。

9. Hairpin-shaped tube：一種管道形狀，類似于發夾，通常用于流體動力學實驗或模擬。

10. Hairpin-like structure：類似于發夾的結構，通常用于生物醫學研究或材料科學中的特殊應用。

常用短語：

1. hair pin braid

2. hair pin turn

3. hairpin valve

4. hairpin tube

5. hairpin connector

6. hairpin bend

7. hairpin neck

例句：

1. The wire is coiled into a tight hairpin braid.

2. The valve has a hairpin shape that allows it to open and close easily.

3. The tube is bent into a simple hairpin bend.

4. The connector has a hairpin neck for easy connection and disconnection.

5. The landscape looks like a beautiful river with a serpentine hairpin curve.

6. The dress is designed with a delicate hairpin neckline.

7. The hairpin keeps her long hair in place all day long.

英文小作文：

Title: Hairpin: A Symbol of Beauty and Ease

Hairpins have been a part of women"s fashion for centuries. From keeping long hair in place to creating unique hairstyles, they have become a symbol of beauty and style. A simple hairpin can add a touch of elegance to any outfit, whether it"s a formal event or a casual day out.

Hairpins come in various shapes and sizes, but the most common ones are the straight and the curved ones, known as "hairpin bends". The curved ones give us the opportunity to create various hairstyles, from simple ponytails to complex updos. They also come in various materials, from gold and silver to plastic and even bamboo, giving us even more choices when it comes to fashion accessories.

Hairpins are not just about fashion, they also serve a practical purpose. They keep our hair out of our way, preventing it from getting in our face or getting caught on things. They also give us the opportunity to express our creativity and style, making them an essential part of our daily lives.

In conclusion, the humble hairpin is a symbol of beauty and style that has been used for centuries by women around the world. It serves not only as a fashion accessory, but also as a practical tool that helps us keep our hair in place and out of our way. Whether we are going for a formal event or just hanging out with friends, a simple hairpin can add a touch of elegance to any outfit, making us feel beautiful and confident.