
好词典

源自拉丁语 'praecipitare'(意为‘抛下’或‘加速’),由 prae-(前)和 caput(头)组成,字面意思是‘头朝下落下’。
❶ 导致某种情况突然或加速发生,通常指不好的事情。比如突然引发危机、冲突或疾病等。
“The economic crisis was precipitating widespread unemployment.”
(经济危机突然导致了大规模的失业。)
“His reckless behavior is precipitating a family conflict.”
(他鲁莽的行为正在引发一场家庭冲突。)
❶ 在化学中,指使物质从溶液中快速凝结或沉淀出来。
“Adding salt to the solution precipitated the crystals.”
(向溶液中加盐使晶体快速沉淀出来。)
“The chemical reaction precipitated a solid at the bottom of the flask.”
(化学反应使烧瓶底部快速凝结出固体物质。)
precipitating factor — 指直接导致某事件发生的关键因素,常用于医学或事故分析中。
“Smoking was identified as the precipitating factor for his lung disease.”
(吸烟被确认为导致他患肺病的关键因素。)