The engineering properties and durability of sand with shell could satisfy the requirements of foundation based on the research results.

研究结果表明贝壳砂的工程特性与耐久性满足工程对地基的要求，为贝壳砂的工程应用提供了技术依据。

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The aquatic, wormlike larva of the caddis fly, enclosed in a cylindrical case covered with grains of sand, fragments of shell, and other debris.

水生的，石蚕蛾的蠕虫状幼虫，包在被沙粒、卵壳碎片以及其它碎片盖住的柱形盒内。

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RESULTS:Processing tortoise shell with vingar is better than that of heating with sand and boiling with vinegar, which was recorded in pharmacopeia of china, 1995.

龟甲炮制品研极细粉入药比1995年版《中国药典》的用时捣碎为优。

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You could throw it like a small javelin, or stab it into a piece of steak instead of using a fork, or you might take the ink cartridge out of the pen and fill the hollow shell with sand (just because you like sand).

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