dune

名词 dune:

1. a ridge of sand created by the wind; found in deserts or near lakes and oceans
   同义词：sand dune

1. During their journey they came upon many sand dunes piled up by the winds.
   他们在路上看到许多被风吹积而成的沙丘。
2. The little dune is formed with loose dry sand by wind.
   这个小沙丘是由风吹来的干沙子形成的。
3. There are lots of dunes in the desert.
   沙漠里有许多沙丘。