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

• 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。
• This sediment will then probably be formed into a folded and imbricated structure.
  然后这些沉积物可能形成褶皱和叠瓦构造。
• 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。
• 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。
• Wetland design can moderate peak flow rate and volume of runoff discharge and sediment deposition during precipitation events.
  湿地项目可以缓和雨洪峰值流率及降水过程中的径流排放量和沉淀量。
• 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。
• Suspended sediment is one of most important parameters for water quality.
  水体中悬浮泥沙的含量是最重要的水质参数之一。
• 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。
• There is some sediment in the ink.
  墨水沉淀了。
• 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。