shifting dunes and sand

基本解释

If you want more excitement, you can ride a jeep and drive over the shifting sand dunes or visit the Xixia imperial tombs.
你还可以开着吉普车在沙漠中驰骋，或者参观西夏王陵也是个不错的选择。
Research on the processes of wind erosion of cropland, desertification of grassland, reactivation of fixed dunes and shifting sand movement reveals th…
并论述了农田风蚀、草场沙化、固定沙丘活化及流沙前移等主要类型土地沙漠化的发育过程。
Research on the processes of wind erosion of cropland, desertification of grassland, reactivation of fixed dunes and shifting sand movement reveals that desertification contr…
并论述了农田风蚀、草场沙化、固定沙丘活化及流沙前移等主要类型土地沙漠化的发育过程。

Stony ridges gave way to tumbled boulders, slopes of sifted gravel, and then sand, blown into shifting dunes.
NEWYORKER: The Martian Chroniclers