shore dune

例句：

1. 1. The shore dune is a popular spot for birdwatching.
   沙丘是观鸟的热门地点。
2. 2. The sand dunes are a natural wonder of the desert landscape.
   沙丘是沙漠景观中的自然奇观。
3. 3. The shore dune provides a safe haven for migrating birds.
   沙丘为迁徙的鸟类提供了一个安全的避难所。