peneplain 也作 pe.ne.planen.Geology (名词)【地质学】 A nearly flat land surface representing an advanced stage of erosion.准平原:一种因晚期侵蚀作用而形成的近似平坦的地面来源:Latin paene, pône [almost] 拉丁语 paene, pône [几乎] plain plain