1. Soil composed of a mixture of sand, clay, silt, and organic matter. 
   肥土由沙、粘土、淤泥而有机物混合组成的土
2. A buff to gray windblown deposit of fine-grained, calcareous silt or clay. 
   黄土一种风沉积而成的颗粒细小、含钙质的沙或泥土，呈浅黄色或黄褐色
3. a fine-grained unstratified accumulation of clay and silt deposited by the wind. 
   一种风沉积而成的颗粒细小、不分层的泥土和泥沙的聚集物。
4. A fine-grained, dark gray sedimentary rock, formed from silt and clay and similar to shale but without laminations. 
   泥岩一种细粒的、深灰色的沉积岩，主要由淤泥或粘土组成，类似页岩但不具纹层

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• 1. 砂粉砂
  mixture of ores and fluxes 矿砂熔剂混合物...mixture of sand silt and clay 砂粉砂...mixture of trace metals 微量金属合剂
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