单词"then"有多种用法，以下是其中几种：
1. 表示时间或顺序，例如 "I finished my homework, then I watched TV."2. 表示结果，例如 "If you dont study, then you wont do well on the test."3. 表示条件，例如 "If it rains, then Ill stay inside."4. 用于引出一个推论或结论，例如 "If shes not at home, then she must be at work."5. 用于对比，例如 "I used to live in the city, but now I live in the countryside. Then, I was surrounded by buildings and noise. Now, Im surrounded by trees and peace."6. 作为副词表示接着发生的事情，例如 "We ate dinner, then went for a walk."希望这些解释对你有帮助！
