moving dune

例句：

1. 1.The moving dune is a natural wonder that attracts visitors from all over the world.
   流动沙丘是一个自然奇观，吸引了来自世界各地的游客。
2. 2. The team was working on their moving dune project when they received a call about an emergency.
   团队正在他们的流动沙丘项目上工作时，他们接到了一个关于紧急情况的电话。
3. 3.The moving dune is a popular spot for hiking and camping in the area.
   流动沙丘是该地区徒步和露营的热门地点。