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

• This is changeable and rapid rate of sediment production.
  这是种多变而快速的沉积作用。
• 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。
• 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。
• 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。
• There is some sediment in the ink.
  墨水沉淀了。
• 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。
• The deposition of sediment in channels decreases the channel capacity and the flood-carrying capacity.
  泥沙淤积在河道内，减少了河槽容量和泄洪能力。
• The development of sequence can be controlled by three factors, namely tectonic subsidence, sediment supply and climate.
  层序发育的影响因素可分为构造沉降、沉积物供给和气候因素。
• 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。
• 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。