First/Firstly, Second/Secondly, Third/Thirdly, etc.：用于列举观点或事项。

Moreover, Furthermore, In addition, Besides, etc.：用于进一步阐述或补充已有的观点。However, Nevertheless, Nonetheless, Yet, etc.：用于转折或对比不同的观点。Therefore, Thus, Consequently, As a result, etc.：用于总结或得出结论。In conclusion, To summarize, Finally, etc.：用于结束演讲并总结主要观点。Transitions such as "Now, Then, Next, After that, etc.：用于指示时间或顺序的变化。Examples such as "For instance, For example, Such as, etc.：用于提供具体的例子或示例。Emphasizers such as "Indeed, Certainly, Definitely, etc.：用于强调某个观点或事实。Connectives such as "And, But, Or, So, etc.：用于连接句子或观点。这些衔接词可以帮助演讲者使演讲更加连贯、有条理，让听众更容易理解演讲内容。