首先⋯⋯，然后⋯⋯
Penjelasan
该结构用于表示按时间顺序发生的两个连续动作，强调先完成前项动作后再进行后项动作。
This structure indicates two sequential actions occurring in chronological order, emphasizing the completion of the first action before proceeding to the second.
Contoh
同学们首先读了一遍课文，然后认真地回答了黑板上的问题。
The students first read through the text, then carefully answered the questions on the blackboard.
我们首先要找到科学的练习方法，然后坚持每天练习。
We must first find scientific practice methods, then persist in practicing every day.