sharp sand

It was hard, smooth sand, very different from the loose, sharp sand, mingled with kelp and shells, at Brewster.

那是一种质地坚硬、手感爽滑的沙子，同布鲁斯特的掺杂着海藻和贝壳，松软扎手的沙子截然不同。

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The sediment cores from "Cattle Pond" on Dongdao Island of South China Sea contain a coral sand sediment layer embedded by ornithogenic sediments with sharp stratigraphic contacts.

在南海东岛牛塘海鸟粪土沉积层中发现一岩性明显不同于上、下层位的珊瑚砂夹层。

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A sharp crack might remain fairly sharp in granite, but degenerate a dull thud in sand.

在花岗岩中尖锐的破裂声可以保留相当的强度, 而在砂岩中则易变成低沉的轰响.

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This stretch of desert landscape in Australia's Nambung National Park boasts thousands of weathered rock projections that rise out of yellow sand dunes-some topped by domes, while others form jagged, sharp-edged columns.

在澳大利亚南邦国家公园（Australia’s Nambung National Park）里，沙漠景观一路延展，风化了的岩柱从黄色沙丘中拔地而起，或成圆顶状，或成锯齿状，或成锋刃状。

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