yardang

A yardang is a streamlined hill carved from bedrock or any consolidated or semiconsolidated material by the dual action of wind abrasion, dust and sand, and deflation.Desert Processes Working Group: Yardangs Yardangs become elongated features typically three or more times longer than wide, and when viewed from above, resemble the hull of a boat.

1. The desert was dotted with yardangs, their sharp ridges standing out against the horizon.
   沙漠中点缀着风蚀丘，它们尖锐的脊状地形在地平线上格外显眼。
2. Yardangs are commonly found in arid regions where wind erosion is prevalent.
   风蚀丘通常出现在干旱地区，在这些地方，风蚀作用非常普遍。