请问tens of thousands of tourists是什么意思?

请问tens of thousands of tourists是什么意思? tens of thousands tens Tens of thousands of school children是什么意思? tens of thousands of student是什么意思? Tens of thousands of tens of thousands tens and thousands of tens of thousands of people ____ the tens of thousands,tourists from all over the world a couple tens of thousands 请问：tens of thousands students 这个表达对吗? tens of thousands of people 如何翻译.