precipitate

英 [prɪˈsɪpɪteɪt , prɪˈsɪpɪtət]

美 [prɪˈsɪpɪteɪt , prɪˈsɪpɪtət]

v.  使…突然降临; 加速(坏事的发生); 使突然陷入(某种状态)
adj.  鲁莽的; 草率的; 仓促的
n.  沉淀物; 析出物

过去分词：precipitated　过去式：precipitated　现在分词：precipitating　第三人称单数：precipitates　复数：precipitates　

CET6TOEFLIELTSGRETEM8

Collins.1 / BNC.8706 / COCA.10236

牛津词典

verb

• 使…突然降临；加速（坏事的发生）
  to make sth, especially sth bad, happen suddenly or sooner than it should
  1. His resignation precipitated a leadership crisis.
     他的辞职立即引发了领导层的危机。
• 使突然陷入（某种状态）
  to suddenly force sb/sth into a particular state or condition
  1. The assassination of the president precipitated the country into war.
     总统被暗杀使国家骤然陷入战争状态。

adj.

• 鲁莽的；草率的；仓促的
  happening very quickly or suddenly and usually without enough care and thought

noun

• 沉淀物；析出物
  a solid substance that has been separated from a liquid in a chemical process

柯林斯词典

The verb is pronounced /prɪ'sɪpəteɪt/. The adjective is pronounced /prɪ'sɪpɪtət/. 动词读作 /prɪ'sɪpəteɪt/，形容词读作/prɪ'sɪpɪtət/。


• VERB 使（通常指不好的事件或形势）突然发生；加速
  If somethingprecipitatesan event or situation, usually a bad one, it causes it to happen suddenly or sooner than normal.
  1. The killings in Vilnius have precipitated the worst crisis yet...
     维尔纽斯的几起谋杀事件导致了迄今为止最严重的危机。
  2. A slight mistake could precipitate a disaster.
     小错误可能会招致大灾难。
• ADJ-GRADED （行动或决定）仓猝的，贸然的，突然的
  Aprecipitateaction or decision happens or is made more quickly or suddenly than most people think is sensible.
  1. I don't think we should make precipitate decisions...
     我认为我们不应该贸然作出决定。
  2. Many of our current problems have been caused by precipitate policy making in the past.
     我们目前的很多问题都是由过去仓猝制定的政策导致的。

双语例句

• They made a precipitate decision.
  他们作了一个轻率的决定。
• Iron and aluminum compounds precipitate as a voluminous sludge.
  铁和铝的化合物成为一种体积庞大的蓬松的游渣沉淀下来。
• I feared that saying it he's dying would precipitate it.
  我害怕说他即将死去要将它抛得远远的。
• If you also have sadly, let the memory precipitate.
  如果你还有悲伤，就用记忆来沉淀。
• This precipitate dissolves in an excess of aqueous ammonia.
  这个沉淀能溶解在过量的氨水中。
• The precipitate is removed by centrifugation, and the clear supernatant extract is analyzed for metabolites.
  通过离心弃去沉淀，上清液进行代谢物的分析。
• It would only serve to precipitate his ruin.
  它只会加速他的毁灭。
• The precipitate produced by sewage treatment.
  污水处理后产生的沉淀物。
• If any organic salt is formed, it will precipitate immediately.
  如果有有机盐形成，它会立即沉淀。
• Add the reagent until precipitate begins to form in the flask.
  加试剂直到烧瓶底部形成沉淀物。