前前后后

例句：

1. 1.She walked around the park for an hour before returning home.
   她绕着公园走了一个小时才回家。
2. 2.He spent the day wandering in the forest.
   他整天在森林里闲逛。
3. 3.The bus arrived at the station just in time for the next departure.
   公交车正好准时到达车站，准备发车。
4. 4. They went back and forth between the two cities for several days.
   他们在两个城市之间来回走动了几天。
5. 5.Before leaving, he checked his bag to make sure everything was in order.
   离开前，他检查了一下他的包，确保一切都整齐。
6. 6. After arriving, she spent some time exploring the city center.
   到达后，她花了一些时间探索市中心。
7. 7.Before starting work, they reviewed the project plan.
   开始工作前，他们回顾了项目计划。
8. 8. After finishing the report, we discussed its findings together.
   完成报告后，我们一起讨论了其发现。
9. 9.Before going to bed, she made sure all her belongings were packed.
   上床前，她确保所有东西都打包好了。
10. 10. Before making a decision, he consulted with his colleagues.
    在做决定前，他咨询了他的同事。