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

• All gravimetric measurements require some sort of crucible or dish to hold the residue or precipitate.
  所有重量分析需要某种坩埚或器皿保留残渣或沉淀物。
• If you also have sadly, let the memory precipitate.
  如果你还有悲伤，就用记忆来沉淀。
• 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。
• It is important that no precipitate action at home upset the equilibrium we have been able to establish.
  我们所能建立的均势，不能为国内急促的行动所颠覆，这至关重要。
• The compound surfactant has good compatibility with injected and simulated water and no precipitate is produced.
  复和驱油剂与模拟地层水、注入水配伍性好，不产生沉淀。
• A slight mistake could precipitate a disaster.
  小错误可能会招致大灾难。
• The wort is then cooled, the solids allowed to precipitate, and it is ready for fermentation.
  接着冷却麦芽汁，让固体物质沉淀下来，这时就可以进行发酵了。
• They made a precipitate decision.
  他们作了一个轻率的决定。
• The arsenate is usually formed in oxidation zones in contact with the atmosphere and free oxygen, and arsenic will precipitate with ferric hydroxide.
  在与大气和游离氧接触的氧化带中，常形成砷酸盐，而且砷与氢氧化铁一起沉淀。
• 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。