它们是用来干什么的？ 英语翻译 They are used to do？
请用英语写出手机可以干什么 we can use mobile phones to get touch with somebody，surf the internet，send the text messages.listen to the musicand so on.From the internet we can not only get the useful some informmation but also do whatever we like，such as reading，listeing to the music，playing the computer games and so on.
他是干什么的.他的工作是什么.用英语怎么说， what does he do？what's he？what's his job？初中就掌握这三个就可以了？
