approximately的音標是[??pr?ks?sm?ntl?]，基本意思是“大約，大概”。在發音時，/?/是輕微輔音，需要輕微的口勁發出聲音，/pr?ks?s/是雙音節單詞，注意音節的劃分。這個單詞的構詞很有特點，詞根approach有“接近”的含義，加上后綴-sily就能表達“大約”的含義。同時，這個單詞也可以通過構詞法來記憶，即approximate（近似）+ly（副詞后綴）= approximately（大約）。

英文單詞“approximately”來源于拉丁語“approximare”，意為“接近，近似”。其變化形式包括“approximation”（近似），“approximate”（近似的），“approximately”（大約）等。

相關單詞：

approximation：n. 近似，近似的值或結果

approximate：adj. 大約的，近似的；v. 接近，近似

approximately：adv. 大約，大概；幾乎，差不多

例如，當我們說“這個數值大約是5”時，就會使用“approximately”。這個詞在日常交流中非常常見，而且已經被廣泛接受和使用。這個詞的使用使得我們的表達更加精確和清晰。此外，“approximately”還可以與一些其他詞組成短語，如“approximately equal to”表示大約相等。

希望以上信息對您有所幫助。

常用短語：

1. approximately $100

2. approximately 30 minutes

3. approximately 50%

4. approximately 20 years

5. approximately 70%

6. approximately 15 pounds

7. approximately 10,000 words

雙語句子：

1. The price is approximately $100. 價格大約是100美元。

2. We"ll be there approximately 30 minutes later. 我們大約30分鐘后到。

3. I"ve been working here approximately 5 years now. 我已經在這里工作大約五年了。

4. They"ve been dating for approximately 2 years now. 他們已經約會大約兩年了。

5. The book is approximately 300 pages long. 這本書大約有300頁。

6. The weight is approximately 15 pounds. 重量大約是15磅。

7. The movie ran approximately 2 hours and 30 minutes long. 這部電影大約播放了兩個小時三十分鐘。

英文小作文：

Approximate Numbers

In our daily lives, we use approximate numbers all the time. We use them to describe time, weight, length, and other measurements that are not exact. For example, we might say "it"s about 3 o"clock," "it"s about 5 pounds," or "it"s about 2 hours long." These approximate numbers help us communicate more precisely and easily than using exact numbers would be. They also help us avoid confusion and misunderstandings when dealing with measurements that are not exact. In conclusion, approximate numbers are an essential part of our language and communication, and they help us make sense of the world around us.