precipitate
verb uk/prɪˈsɪp.ɪ.teɪt/ us/prɪˈsɪp.ə.teɪt/
(MAKE HAPPEN)
[ T ] formal促成；使突如其来地发生；加速…的发生
to make something happen suddenly or sooner than expected
An invasion would certainly precipitate a political crisis. 入侵肯定会加剧政治危机。
Fear of losing her job precipitated (= suddenly forced) her into action. 对丢掉工作的恐惧促使她立即行动起来。
(THROW)
[ T usually + adv/prep ] formal使急落直下，使陡然下落
to throw someone or something from a height with great force
(CHEMISTRY)
[ I or T ] chemistry specialized（使）沉淀，（使）淀析
If a liquid precipitates, substances in it become solid and separate from the liquid.
Cooling the beaker helps precipitate the compound. 给烧杯降温有助于化合物沉淀。
If any organic salt is formed, it will precipitate (out) immediately. 如果有有机盐形成，它会立即沉淀。
precipitate
noun [ C or U ] chemistry specialized uk/prɪˈsɪp.ɪ.tət/ us/priːˈsɪp.ə.t̬ət/
沉淀物，析出物质
a solid substance that is produced from a liquid during a chemical process
After filtration, the precipitate was dried at 90°C. 过滤后沉淀物被加热到90摄氏度进行干燥。
precipitate
adjective formal uk/prɪˈsɪp.ɪ.tət/ us/priːˈsɪp.ə.t̬ət/ (also precipitous)
仓促的，贸然的，轻率的
If an action is precipitate, it is done sooner or faster than expected and without enough thought or preparation.
Don't be precipitate - think it through before you make a decision. 别太仓促——作决定前再好好想想。
Synonym: hasty