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 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。
• 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。
• In mobile bed experiments, the measurement of sediment concentration needs to be real-time and accurate.
  动床河工模型试验中，需要对泥沙浓度进行实时和精确的测量。
• This is changeable and rapid rate of sediment production.
  这是种多变而快速的沉积作用。
• The experiment results are meaningful for quantifying runoff and sediment reduction and deepening soil erosion mechanical process also.
  研究结果对定量评价草被减流减沙作用和深化土壤侵蚀力学过程有一定的参考意义。
• The soil solute transport with surface runoff and sediment was greatly impacted by the soil texture and solute character.
  土壤质地和溶质性质对土壤溶质地表迁移过程有较大影响。
• 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 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。
• 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。
• 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。