顺序说明英文

firstly,secondly,...last. in the endto begin/start with, first of all

序列,顺序的英文：sequence

first,then,next,afterwards,finally楼主的已经比较全了，之外可以加一些别的递进或转折：however,what's more, in addition, besides,in the other hand等

首先：First of all; In the first place; Firstly; First thing first (比较常用特别是在日常生活的口语对话中)

其次: Secondly; In the second place; Next; Then; Besides; Apart from it

再次: Thirdly; In the third place; Once again(这个是表示接下来要再一次重申某事); Once more; One more thing; Additionally; Then; Next

最后: Finally; In the end; In conclusion; In short: Anyways; Thus；Last but not least. (加粗的不一定完全表示最后，但是往往是在最后出现做一个结尾）