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
• 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
• 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。
• Erosion and sediment yield process of soil dumped by people have been analyzed by simulated rainfall experiments.
  通过人工模拟降雨实验，研究分析了强降雨条件下人为弃土的侵蚀产沙量及侵蚀过程。
• 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。
• There is some sediment in the ink.
  墨水沉淀了。
• 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。
• 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。
• Scientists have found a large amount of lead in the sediment in the North sea.
  科学家们在北海的沉积物中发现了大量的铅。
• The impact of environmental factors on cod, tn, tp release from sediment
  环境因子对底泥释放COD、TN和TP的影响研究
• Finally the authors analyze the progress of evolution and development about basin sediment.
  分析了盆地沉积演化发展过程。
• The inhibition of copper ion on nitrification activity of nitrifying bacteria in sediment and activated sludge were studied.
  研究了铜离子对底泥和活性污泥硝化活性的抑制作用的差异。