bestseller的音標是[?best?sel?(r)]，基本翻譯是暢銷書；bestseller還有暢銷品；搶手貨的意思。

速記技巧是：可以將其音節進行拆分，盡量使每個音節中都有一個輔音，這樣可以幫助我們更快速地記憶單詞。同時，也可以結合單詞的意思來進行記憶，這樣更有助于記憶效果。

Bestseller這個詞的詞源可以追溯到英語單詞“best”，意為“最好的”，加上后綴“-seller”，表示“賣東西的人”。因此，bestseller就是“最好的賣出去的東西”。

變化形式：在拼寫上，bestseller沒有變化，保持了其作為名詞的形式。

相關單詞：

1. Bestseller類似的詞匯有bestsuit（最好的西裝），bestow（給予，贈送）等。

2. 與bestseller相關的短語有“most bestseller”（最暢銷書）和“top bestseller”（最暢銷書）。

3. 這些單詞或短語在英語中常常用來描述某本書、商品或服務在市場上最受歡迎，最暢銷。

字數超過100字了，以下是精簡版的回答：

bestseller這個詞來自于英語單詞“best”和“seller”，表示“最好的賣出去的東西”。它沒有變化形式，但在英語中常常用來描述某本書、商品或服務在市場上最受歡迎，最暢銷。類似的詞匯有bestsuit、bestow等。這些單詞或短語在英語中常常用來描述最好的或最受歡迎的事物。

常用短語：

1. bestseller in the market

2. top-selling product

3. bestseller in a certain category

4. bestseller in a certain region

5. bestseller in a certain season

6. bestseller in a certain store

7. bestseller for a certain brand

例句：

1. The latest bestseller in the market is a novel about time travel.

2. The top-selling product in the store is the new electric toothbrush.

3. The bestselling product in the children"s section is the colorful toy train.

4. The bestselling book in the library is the classic novel set in the 19th century.

5. The bestselling item in this season is the fashionable dress with a unique design.

6. The bestselling item in the store is the brand new jacket with a stylish design.

7. The bestseller for this brand is the high-quality laptop with a powerful processor.

英文小作文：

Title: The Bestsellers of Our Store

Every store has its own bestsellers, and this is no exception. Our store has a wide range of products, but there are some items that consistently sell well. From fashionable clothing to high-tech electronics, we have something for everyone. Here are some of our top-selling items:

1. The bestselling dress is a floral design that catches the eye and makes women look beautiful.

2. The bestselling shoes are comfortable and stylish, and they are perfect for both work and leisure activities.

3. Our bestselling electronic device is a high-tech laptop with a powerful processor and a sleek design that makes it perfect for work or play.

4. Our bestselling accessories include stylish jewelry, watches, and handbags that are perfect for every occasion.

These items are not only popular with our customers, but they also help us to maintain our position as one of the top stores in town. We are always looking for new and exciting products to add to our inventory, so stay tuned for more bestsellers in the future!