“沙丘”造句

那男孩光着脚在沙丘间飞跑.
The boy galloped over the dunes barefoot.

沙积集起来成了沙丘.
The sand massed to form a dune.

在这里，巨大的沙丘向四面八方延绵不绝，一望无垠。
Here, massive dunes stretched in every direction as far as the eye could see.