could you speak English + more slowly还是+ slowly?有什么区别?

could you speak English + more slowly还是+ slowly?有什么区别? Could you please d__ more slowly? more slow 和 more slowly 有什么区别? _____ more slowly,please.用 say,speak,tell还是 talk I'm sorry,I ____understand.Can you speak more slowly? Would you please speak more slowly?I can hardly ______you. slow和slowly有什么区别? slowly slowly slowly···baby有什么含义 英语中slowly的比较级是slowlier还是more slowly slowly的比较级是slowlier还是more slowly! slowly的比较级是slowlier还是more slowly啊? Why you always speak so slowly