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

• The cobalt oxide is produced from cobalt catalyst waste by using acidolysis precipitate method.
  用含钴催化剂废料作原料，采用酸溶-沉淀法工艺制取氧化钴。
• 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。
• 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。
• If any organic salt is formed, it will precipitate immediately.
  如果有有机盐形成，它会立即沉淀。
• I don't think we should make precipitate decisions
  我认为我们不应该贸然作出决定。
• They acted with precipitate haste.
  他们鲁莽仓促地采取了行动。
• Remobilized iron sulphides will precipitate as pyrrhotite at high temperatures and as pyrite when temperature decreases.
  铁硫化物在高温下的再活化产物主要是磁黄铁矿，而低温下则主要为黄铁矿。
• A slight mistake could precipitate a disaster.
  小错误可能会招致大灾难。
• The precipitate produced by sewage treatment.
  污水处理后产生的沉淀物。
• Study on the composition and crystal shape of the precipitate obtained by struvite precipitation from wastewater for phosphorous recovery
  鸟粪石法回收废水中磷的沉淀物的组成和晶形