speech 与talk的区别

speech与talk 都是演讲的意思么。。。

有什么区别啊

谢谢

lecture与speech的区别 talk to与talk with的区别 speech与speak区别 speak 与talk的区别 talk to 与 speak to的区别. make a speech和give a speech的区别 make a speech和do a speech的区别 talk to 和talk with的区别 talk with talk about talk to 之间的细微区别 say,talk,speak的区别?