talk,say,speak 这三个词的区别?

say,talk,speak的区别? speak,say,tell,talk几个词的区别的练习题. 英语：talk/say/speak/tell的区别 speak talk say tell的区别 say,speak,tell,talk的区别用法 speak say tell talk的区别 speak,say,talk,tell的区别 tell speak talk call say的区别 speak talk say read 的区别 speak ask tell say talk的区别 say speak talk tell的区别用法 talk,speak,tell,say的意义、用法、区别