travelling centering

例句：

1. 1.I've been travelling around Europe for the past few weeks.
   我在过去几周里一直在欧洲旅行。
2. 2. She travelled to Paris last summer.
   她去年夏天去了巴黎。
3. 3. Travelling is a great way to relax and explore new places.
   旅行是放松和探索新地方的好方法。