"average" 的音標為 [??v?r?d?]，基本翻譯為“平均的；平均水平”。速記技巧可以考慮將其拆分為“a-ver-ry-d?”，其中“ver”可以聯(lián)想為“verify”（驗證）加強記憶。

"mean" 的音標為 [mi?n]，基本翻譯為“意味著；平均值；打算；含意”。速記技巧可以考慮將其拆分為“mi-en”，其中“en”可以聯(lián)想為“enable”（使…能夠）加強記憶。

Average 和 Mean 是英語中兩個常用的詞，它們都源自拉丁語詞根“medius”，意為“中間的”或“平均的”。

Average 的詞源表明它與“平均”有關，而 Mean 則與“中等”有關。這兩個詞在英語中都經歷了許多變化形式。

Average 的變化形式包括：原始形式（拉丁語），派生形式（拉丁語和英語），以及現代形式（英語）。例如，原始形式是 “medius” 或 “medius a ter” ，派生形式包括 “average” （動詞形式），“aver” （形容詞形式），“averment” （名詞形式）等。現代形式包括 “average person” （普通人）和 “average income” （平均收入）。

Mean 的變化形式包括：原始形式（拉丁語），派生形式（拉丁語和英語），以及現代形式（英語）。例如，原始形式是 “meios” 或 “meiosis” ，派生形式包括 “mean-spirited” （卑鄙的），“meanness” （卑鄙）等。現代形式包括 “mean time” （平均時間）和 “meanly” （卑劣地）等。

這兩個詞的相關單詞可以擴展到許多其他詞匯，例如 Average 可以擴展到 “average value”（平均值）和 “average person”（普通人），而 Mean 可以擴展到 “mean streets”（險惡的社會）和 “mean spirited”（卑劣的）。這些詞匯都與 Average 和 Mean 的含義密切相關，并反映了它們在英語中的廣泛應用和使用。

常用短語：

1. average price 平均價格

2. mean value 平均值

3. average score 平均分數

4. mean direction 平均方向

5. mean time 平均時間

6. mean deviation 平均偏差

7. mean distance 平均距離

例句：

1. The average price of the products is much lower than that of competitors.

2. The mean value of the data is used to represent the central tendency of the data.

3. The average score of the students in the exam is 85.

4. The mean direction of the wind is towards the south at this time.

5. The mean time of delivery is 3 days, which is acceptable.

6. The mean deviation of the golf balls is very small, indicating that they are all within the same level.

7. The mean distance between two cities is 200 kilometers.

英文小作文：

Title: Average Means: The Key to Success in Life

Life is full of uncertainties, but there are some constants that help us navigate through it. One such constant is the concept of average mean, which represents the central tendency of a set of data or results. Whether it"s an exam score, a product price, or a distance between two cities, average mean plays a crucial role in our lives.

By using the mean value, we can quickly identify the most representative results and make informed decisions based on them. For instance, if we compare different products on the market, we can use average price to determine which one is more cost-effective. Similarly, if we need to choose a destination for a vacation, we can use mean distance to find the most convenient and scenic places to visit.

Moreover, average mean helps us avoid extremes and biases that can lead us astray. By focusing on the mean direction of the wind, we can avoid getting lost and find our way quickly. Similarly, by considering the mean time of delivery, we can avoid disappointment and plan our schedule accordingly.

In conclusion, average mean is a valuable tool that can help us navigate through life"s challenges and make informed decisions. By using this concept, we can better understand our results and achieve our goals more effectively.