柯林斯詞典precipitation /pr??s?p??te???n/ 1. N-UNCOUNT Precipitation is rain, snow, or hail. 降水[技術(shù)] 2. N-UNCOUNT Precipitation is a process in a chemical reaction that causes solid particles to become separated from a liquid. 沉淀; 沉析[技術(shù)] 返回 precipitation劍橋詞典 precipitation noun [U] (RAIN) environment specialized water that falls from the clouds towards the ground , especially as rain or snow （尤指雨或雪的）降落；降水 Hail and sleet are types of precipitation. 冰雹和凍雨都是降水形式。 The forecast is for dry , cloudy weather with no precipitation expected . 天氣預(yù)報是干燥多云，沒有降水。 precipitation noun [U] (QUICK ACTION) formal a way of behaving too quickly and without thinking 急躁，沖動 The prime minister has been accused of acting with precipitation over the crisis . 總理被指責(zé)在處理危機(jī)問題上貿(mào)然行動。 precipitation noun [U] (IN CHEMISTRY) chemistry specialized a chemical process in which a solid substance is produced from a liquid 沉淀物，析出物質(zhì) The compound is finally obtained by precipitation. 最終通過沉淀反應(yīng)獲得化合物。 返回 precipitation