arch key 的音標(biāo)是[ɑ?t? ?ki]，翻譯為“拱形鍵”或“關(guān)鍵”。速記技巧是使用音譯方法來記住這個單詞的發(fā)音?？梢钥紤]將arch key分解為“啊吃音記”，其中“啊”可以代表“arch”（拱形）的發(fā)音，而“吃音”可以代表“key”（鍵）的發(fā)音。通過多次重復(fù)和聯(lián)想記憶，可以有效地記住這個單詞。

Arch key這個詞的詞源可以追溯到拉丁語“arch”這個詞，意思是“主要的”或“首要的”。它的變化形式主要有名詞形式arch和形容詞形式archaic。

相關(guān)單詞：

arch：可以作為名詞表示弓形的東西，也可以作為形容詞表示彎曲的，或者表示主要的，首要的。例如單詞archenemy（主要敵人），archrival（主要對手），archway（拱形物）等。

archaic：表示古老的，過時的，或者表示在某種程度上保留著古老特性的。例如單詞archaism（古詞，古語），archaized（經(jīng)過古典化改造的），archaicly（古典式地）等。

這些單詞可以用于描述歷史、文化、語言、藝術(shù)等多個領(lǐng)域。它們可以幫助我們更好地理解歷史和文化背景，也可以幫助我們更好地欣賞藝術(shù)作品。

以上內(nèi)容僅供參考，建議查閱專業(yè)的英語詞典獲取更精準(zhǔn)的信息。

常用短語：

1. arch enemy 死敵

2. arch back 退后一步

3. arch bridge 拱橋

4. arch support 拱形支撐

5. arch in 弓進(jìn)

6. arch up 拱起

7. archived 存檔的

例句：

1. He is the arch enemy of our class.

2. She archived all her old photos.

3. The bridge is supported by arch supports.

4. He was forced to arch back in his chair to avoid hitting his head.

5. She archived her sorrows and moved on with her life.

6. The bookshelf is made of wooden arch shapes.

7. The document has been archived for future reference.

英文小作文：

Title: The Arch Bridge

The arch bridge is a unique structure that has captivated people"s imagination for centuries. It is a symbol of engineering brilliance and a testament to the power of nature. The bridge, which spans a river or valley, allows people to cross over without interfering with the natural flow of water. It is a graceful and elegant structure that adds beauty to the landscape.

Arch bridges have played an important role in history, serving as a critical link in transportation routes and connecting communities. Today, they are still used for various purposes, including pedestrian and bicycle traffic, and are a popular destination for tourists and photographers.

The arch shape provides stability and strength to the bridge, while also allowing for a smooth and comfortable passage for those who cross it. It is a versatile structure that has found applications in various fields, from architecture to engineering, and continues to inspire designers and builders around the world.