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

• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。