precipitate
verb[prɪˈsɪp.ɪ.teɪt/
MAKE HAPPEN 使发生
transitive formal
■to make something happen suddenly or sooner than expected 促成；使突如其来地发生；加速…的发生•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付诸行动。
verb[prɪˈsɪp.ɪ.teɪt/
THROW 投掷
transitive usually + adverb or preposition formal
■to throw someone or something from a height with great force 使急落直下，使陡然下落
verb[prɪˈsɪp.ɪ.teɪt/
CHEMISTRY 化学
intransitive or transitive specialized
■If a liquid precipitates, substances in it become solid and separate from the liquid （使）沉淀，（使）淀析•Cooling the beaker helps precipitate the compound.让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。
noun countable or uncountable UK [prɪˈsɪp.ɪ.tət] US [priːˈsɪp.ə.ţɪt] specialized
■a solid substance which is produced from a liquid during a chemical process 沉淀物，析出物质•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。
adjective UK [prɪˈsɪp.ɪ.tət] US [priːˈsɪp.ə.ţɪt] (also precipitous) formal
■If an action is precipitate, it is done sooner or faster than expected and without enough thought or preparation 仓促的，贸然的，轻率的•Don't be precipitate - think it through before you make a decision.别太仓促——做决定前再好好想想。 |