an average of

an average of的音标是[əˈævərjʊər] ，基本翻译是“平均，通常”。速记技巧是注意单词的复数形式。

“an average of”这个短语的英文词源是“average”和“of”。其中，“average”意为“平均的”，来源于拉丁语“aevum”，意为“时间”或“世纪”；而“of”则表示“……的”的意思。

该短语的变体形式为“averages”，其变化形式为复数形式。

相关单词：

1. “average” - 意为“平均的”，可以用作名词和形容词。例如，“the average temperature for the month was 70 degrees Fahrenheit.”（这个月的平均气温是70华氏度。）

2. “abnormal” - 意为“异常的”，与“average”相反。例如，“The abnormal weather conditions caused widespread damage.”（异常的天气状况造成了广泛的破坏。）

3. “mediocre” - 意为“平庸的”，与“average”的含义相近，但程度稍轻。例如，“The restaurant"s food was mediocre at best.”（这家餐厅的食物充其量只是平庸。）

以上单词都与“an average of”这个短语的含义和用法密切相关，描述了不同程度和性质的平均值。这些单词的用法和含义可以根据上下文的不同而有所变化。

短语：

1. an average of 平均值

2. on average 平均

3. vary from an average of 平均值不等

4. average amount of 平均数量

5. average score of 平均分数

6. average age of 平均年龄

7. average weight of 平均体重

例句：

1. The average temperature in this city is about 25 degrees Celsius.

2. On average, we spend about 8 hours a day at work.

3. The average amount of water we use is too high.

4. The average score on this exam was 75%.

5. The average age of the students in this class is 15 years old.

6. The average weight of this package is 5 kilograms.

7. The average rainfall in this area is about 100 mm per month.

英文小作文：

The importance of averages in our daily lives

Averages are a crucial tool in understanding the world around us. Whether it"s the average temperature of a region, the average amount of water we use, or the average age of a group of people, averages help us make sense of the data and provide a general picture of a situation.

For example, the average salary in a certain industry can give us an idea of how much money people in that field typically earn. Similarly, the average amount of exercise we do each week can help us understand whether we"re meeting our physical activity goals. Averages can also be used to compare different groups or situations, allowing us to see patterns and differences that might otherwise be overlooked.

However, it"s important to remember that averages can be misleading if they"re not interpreted correctly. Averages only tell us about the general trend, and they don"t account for individual differences or outliers. Therefore, it"s always important to consider the context and individual cases when using averages.

In conclusion, averages are an essential tool for understanding the world around us, but it"s essential to use them correctly and understand their limitations. Averages can provide a general picture of a situation, but they should always be used in conjunction with other data and information to get a complete and accurate picture.