A sedimentary material consisting of very fine particles intermediate in size between sand and clay.

泥沙，淤泥由大小介于沙和泥之间的非常细小的微粒构成的沉淀性物质。

youdao

A sedimentary material consisting of very fine particles intermediate in size between sand and clay.

泥沙，淤泥由大小介于沙和泥之间的非常细小的微粒构成的沉淀性物质。

youdao