Choose Username是什么意思

Choose Username是什么意思 Sorry,Username Already Taken.Please Choose Another Username unavailable 意思请问Username unavailable是什么意思? Select a username是什么意思 please check username是什么意思 {$username}用{}是什么意思 英语Desired username是什么意思? username 翻译sorry username already taken please choose another choose是什么意思 Please choose a unique username for this website.This username is public and will appear on your p This username has already been used是什么意思 带有replace的这句话是什么意思,有什么意义address=request.form(address)address=replace(address,',)username=request.form(username)username=replace(username,',)username=replace(trim(request(username)),',)例如,下面的 英语翻译Choose your username,password,& membership type:这句话翻译成中文 pottermore注册时卡在Please choose your username那里,找不到验证码怎么办 the username has been used by another talkbox user,please try rsing another username这是什么意思 username是什么意思?请知道的人告诉我一下好吗?username中文意思.谢谢了~~~~~~~~~~~~~~~~~~ 请问这一句：userName = request.getParameter(userName + userId);在getParameter中是什么意思?