A stone that has been shaped, polished, or faceted by wind-driven sand.
A stone that has been shaped, polished, or faceted by wind-driven sand.
风棱石，风磨石已被风吹起的沙子磨成形、磨光并磨成面的石头
A stone that has been shaped, polished, or faceted by wind-driven sand.
风棱石，风磨石已被风吹起的沙子磨成形、磨光并磨成面的石头