ground floor的音標是[?ɡra?nd flo?]，基本翻譯是“地面層；樓下”，速記技巧是“ground 輔音連讀，floor 弱化”。

Ground floor的英文詞源是ground和floor，意思是“地面樓層”。其變化形式主要有復數形式ground floors，副詞形式ground-floor等。相關單詞有：

1. first floor：原指“一樓”，現指“首要的方面”或“最重要的部分”，其詞源與floor同源，表示“地面樓層”的意思。

2. basement：意為“地下室”，其詞源也是ground和floor，表示“地面以下的樓層”。

3. sub-floor：意為“次要的基礎”，指的是在建筑結構中位于地面以下的支撐結構。

4. ground-level：意為“地面層級的”，指的是位于地面以下的樓層，但與地面保持直接接觸的樓層。

5. ground floor apartment：指位于地面樓層的公寓，通常指位于商業或娛樂場所的底層公寓。

6. ground floor office：指位于商業或辦公場所的底層辦公室，通常用于接待客人或商業活動。

7. ground floor retail：指位于商業或辦公場所底層的零售空間，通常用于銷售商品或提供服務。

8. ground-floor unit：指位于商業或辦公場所底層的單位或公寓，通常具有較高的租金和銷售價格。

9. ground-floor store：指位于商業街或購物中心底層的商店，通常具有較高的曝光度和流量。

10. ground-floor level：指位于建筑物底層或首層的水平面，通常與地面保持直接接觸，具有較低的高度和較低的噪音干擾。

常用短語：

1. ground floor apartment - 底層公寓

2. ground floor office - 底層辦公室

3. ground level - 地面水平

4. on the ground floor - 在底層

5. ground floor retail - 底層零售

6. ground floor store - 底層商店

7. ground floor unit - 底層單元

雙語例句：

1. The ground floor apartment is perfect for a family with children. (英文)

2. She opened a store on the ground floor of a new building. (中文)

3. The office is on the ground floor of a historic building. (英文)

4. The ground level of the parking lot was flooded during the heavy rain. (中文)

5. The ground floor retailers are doing well in this new shopping center. (英文)

6. There are two ground floor units available for rent in this building. (中文)

7. The ground floor unit has a separate entrance and is very private. (英文)

英文小作文：

The ground floor of a building is often the most convenient location for businesses and tenants. It provides easy access for customers and visitors, and is often more spacious and comfortable than upper floors. However, it can also be more vulnerable to flooding and other weather-related issues. Therefore, it is important to consider the specific needs of the business or tenant when selecting a location for their ground floor space.