Within a few tens of millions of miles,怎么翻译?

Within a few tens of millions of miles,怎么翻译? "tens of millions in the tens of millions tens of thousands和tens of millions 的意思 Millions of Guangzhou citizens ,who are just behind tens of a few miles to the south of London= a few miles south to Lon In a few years` time,millions of trees those mountains 英语翻译tens of thousands of people怎么翻译啊 请问"tens of millions"是什么意思?具体用法是怎样的? tens of thousands tens millions of(翻译) a couple tens of thousands