好词典

precipitate

UK //prɪˈsɪpɪteɪt//US //prɪˈsɪpɪteɪt//

词源

源自拉丁语 'praecipitare',意为 '投下' 或 '使突然落下',由 'prae-'(前)和 'caput'(头)组成。

verb

❶ 使某事物突然或过早地发生,通常指不受欢迎的事件或情况。

“The economic crisis precipitated the collapse of the government.”

(经济危机导致了政府的垮台。)

“His sudden resignation precipitated a leadership crisis.”

(他突然辞职引发了一场领导危机。)

❶ 在化学中,指使固体从溶液中析出。

“Adding salt to the solution will precipitate the desired compound.”

(向溶液中加盐会使所需的化合物沉淀出来。)

“The reaction precipitated a white powder.”

(反应生成了一种白色粉末沉淀。)

同义词:trigger, cause, hasten, accelerate, induce

noun

❶ 化学中从溶液中析出的固体物质。

“The precipitate was collected and dried for analysis.”

(沉淀物被收集并干燥以供分析。)

“A white precipitate formed in the test tube.”

(试管中形成了白色沉淀。)

同义词:sediment, deposit, residue

adjective

❶ 形容行动或决定过于匆忙,缺乏充分考虑。

“His precipitate decision led to many problems.”

(他仓促的决定导致了许多问题。)

“They regretted their precipitate actions.”

(他们对自己草率的行动感到后悔。)

同义词:hasty, rash, impulsive, reckless

常见短语

precipitate into — 指突然陷入某种状态或情况,通常是不利的。

“The country precipitated into chaos after the coup.”

(政变后国家突然陷入混乱。)