tens of kilograms 意思

tens of kilograms 意思 tens of thousands和tens of millions 的意思 tens of thousands tens Tens of thousands of tens of thousouds 和tens of millions都是啥意思?都是“成千上万”的意思吗,有啥区别呢? "tens of millions in tens of是什么意思? tens of thousands tens and thousands of tens of thousands of people tens to hundereds of thousand of dollars 是几万至十几万美元的意思吗? a couple tens of thousands