precipitation

英 [prɪˌsɪpɪˈteɪʃn]

美 [prɪˌsɪpɪˈteɪʃn]

n.  降水，降水量(包括雨、雪、冰等); 沉淀; 淀析

复数：precipitations　

TOEFLGREIELTS化学

BNC.17263 / COCA.11784

牛津词典

noun

• 降水，降水量（包括雨、雪、冰等）
  rain, snow, etc. that falls; the amount of this that falls
  1. an increase in annual precipitation
     年降水量的增加
• 沉淀；淀析
  a chemical process in which solid material is separated from a liquid

柯林斯词典

• 降水
  Precipitationis rain, snow, or hail.
• 沉淀；沉析
  Precipitationis a process in a chemical reaction which causes solid particles to become separated from a liquid.

英英释义

noun

• overly eager speed (and possible carelessness)
  1. he soon regretted his haste
  Synonym:hastehastinesshurryhurriedness
• an unexpected acceleration or hastening
  1. he is responsible for the precipitation of his own demise
• the act of casting down or falling headlong from a height
• the falling to earth of any form of water (rain or snow or hail or sleet or mist)
  Synonym:downfall
• the process of forming a chemical precipitate
• the quantity of water falling to earth at a specific place within a specified period of time
  1. the storm brought several inches of precipitation

双语例句

• The annual precipitation and summer precipitation are very similar in terms of time scales and cycle characteristics.
  年降水量与夏季降水量在时间尺度和周期特征方面非常相似。
• Major treatment methods for arsenic include sulfide precipitation, or complexation with polyvalent heavy metals.
  砷的主要处理方法有硫化物沉淀法，或与多价重金属络合。
• Increased precipitation intensity and variability is projected to increase the risks of flooding and drought in many areas.
  许多地方降水强度和变率的增加将使洪旱危险性上升；
• They also modified the precipitation at the transplant sites based on altered rainfall estimates.
  根据预期的降雨量变化，他们还改变了移植地的降水量。
• Relation between temperature and precipitation with beginning dates of growing season is more significant than with end dates.
  生长季开始日期与温度和降水的关系比结束日期要显著。
• Sulfur dioxide and nitrogen oxides also cause acidic precipitation, commonly called acid rain.
  二氧化硫和氨氧化物引起酸性降雨，常称为酸雨。
• Finally, we used multi-regression to derive the relation between growing season, temperature and precipitation.
  最后利用多元回归分析方法探讨了植被生长季与温度和降水的关系。
• In this work, we present a novel method for studying the molecular imprinting process in precipitation polymerization systems.
  在这篇论文中，我们展示了一种新方法来研究沉淀聚合系统中的分子印记过程。
• The tempering operation may be described as one of precipitation and agglomeration or coalescence of cementite.
  回火作业可以描述为渗碳体析出和凝聚或聚结的过程。
• Wetland design can moderate peak flow rate and volume of runoff discharge and sediment deposition during precipitation events.
  湿地项目可以缓和雨洪峰值流率及降水过程中的径流排放量和沉淀量。