
precipitate
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。)
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。)
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。)
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。)