pebbly sand
常见例句
- All around me, pieces of a fossil hippo skull were eroding out of the yellowish, pebbly sand. Nearby rested a teardrop-shaped stone tool, roughly five inches end to end.
周围到处都是河马头骨化石的碎片，它们都是从浅黄色的鹅卵石砂层被冲蚀出来的，边上还有一把泪珠状石质工具，长约12厘米。 返回 pebbly sand