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sediment

英 [ˈsedɪmənt]

美 [ˈsedɪmənt]

n.  沉淀物; 沉积物

复数:sediments 

TOEFLIELTSGRETEM8化学

Collins.1 / BNC.5512 / COCA.7879

牛津词典

    noun

    • 沉淀物
      the solid material that settles at the bottom of a liquid
      1. 沉积物
        sand, stones, mud, etc. carried by water or wind and left, for example, on the bottom of a lake, river, etc.

        柯林斯词典

        • N-VAR 沉渣;沉淀物
          Sedimentis solid material that settles at the bottom of a liquid, especially earth and pieces of rock that have been carried along and then left somewhere by water, ice, or wind.
          1. Many organisms that die in the sea are soon buried by sediment.
            海洋里死亡的许多生物会很快被沉淀物掩埋。
          2. ...ocean sediments.
            海洋沉淀物

        英英释义

        noun

        • matter that has been deposited by some natural process
            Synonym:deposit

          verb

          • settle as sediment
            1. deposit as a sediment

              双语例句

              • The biggest ecological impact could be less sediment swept downstream as silt accumulates in the reservoirs.
                大坝最大的生态影响可能是使流往下游的沉积物变少了,因为淤泥都聚集在水库里。
              • Runoff and sediment yields are greatly affected by the type of land use.
                土地利用类型不同对产流产沙的影响程度不同。
              • There is some sediment in the ink.
                墨水沉淀了。
              • The soil solute transport with surface runoff and sediment was greatly impacted by the soil texture and solute character.
                土壤质地和溶质性质对土壤溶质地表迁移过程有较大影响。
              • Use the microscope to study microorganisms in the water and in the sediment.
                用显微镜观察水中和砂泥中的微生物的种类及密度。
              • This paper summarized the progress of studies on the environmental pollution of heavy metals in lake sediment.
                综述了湖相沉积物重金属环境污染研究进展。
              • Observe microorganism in the water and in the sediment by a microscope.
                用显微镜观察水样本和基质样本中的微生物。
              • This model introduces a concept of unsaturated sediment transport, reflecting the variation of rill erosion along the distance.
                该模型引入了非饱和输沙的概念,能够反映沿程细沟侵蚀的变化规律。
              • In mobile bed experiments, the measurement of sediment concentration needs to be real-time and accurate.
                动床河工模型试验中,需要对泥沙浓度进行实时和精确的测量。
              • The distribution and composition of sterol compounds were determined in22 surface sediment samples collected from Bohai Bay and Jiaozhou Bay.
                测定了渤海湾和胶州湾22个表层沉积物样品中甾醇类化合物的含量,分析了其分布特征和来源。