precipitationKK [prɪˏsɪpɪˋteʃən] /pɹɪˌsɪpɪˈteɪʃən/發音名詞1降水、降雨氣象Heavy precipitation is expected across the island this weekend.這個週末全島預計會有大量降水。2降水量、雨量氣象Annual precipitation in this area has dropped over the past decade.這個地區的年降水量在過去十年間減少了。3沉澱、析出化學Adding the acid causes the precipitation of a white solid.加入酸之後會使白色固體沉澱出來。4倉促、魯莽正式The committee acted with unusual precipitation and later regretted it.委員會行事異常倉促,事後相當後悔。