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

• But contaminated sediment and marine organisms also seem to be involved.
  然而似乎也牵涉到遭受污染的沉积物和海洋有机物。
• This paper assessed the sediment environment of soft marine clays and their physical and mechanical properties.
  本文对连云港浅层软土的沉积环境，物理力学性质和结构性进行探讨和分析。
• 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。
• 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。
• 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。
• 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。
• 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。
• This is changeable and rapid rate of sediment production.
  这是种多变而快速的沉积作用。
• 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。