4.06用英语怎么说

4.06 can be said as "four point zero six" in English. This number likely comes from the decimal numbering system, where the digits to the right of the decimal point represent fractions of the whole number. Here are some example sentences in English and their translations in Chinese:

The temperature outside is 4.06 degrees Celsius. (外面的温度是4.06摄氏度。)
The cost of the item is $4.06. (这件物品的价格是4.06美元。)
The percentage of people who answered the survey was 4.06%. (调查中回答问卷的人数占4.06%。)