3千用英语怎么说

"Three thousand" in English is usually expressed as "three thousand". It comes from the Old English word "þusend," which has evolved into the modern spelling.
Example sentences in English with Chinese translation:
There are three thousand people at the concert. (演唱会上有三千人。)
I have saved three thousand dollars for my trip. (我已经为旅行存了三千美元。)
The company has three thousand employees. (公司有三千名员工。)