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 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
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• According to ADCP data and suspended sediment concentration, suspended sediment movement in the Yangtze River estuary is studied.
  摘要采用adcp实测水流资料与悬沙含量实测资料相结合的方法，对长江口悬沙运动进行分析。
• They also protect watercourses and maintain water quality by reducing sediment and filtering pollutants.
  他们还可以保护河道，并通过减少沉积物和过滤污染物保持水质。
• 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。