dune|dunes

我们在沙丘上欣赏日落的美景。

We enjoyed the sunset view from the top of the ___dune.

沙丘在阳光下闪闪发光。

The ___dunes glisten under the sun.

古老的城堡矗立在苏格兰的小沙丘上。

The ancient castle stands on a small ___dune in Scotland.