柯林斯詞典precipitation /pr??s?p??te???n/ 1. N-UNCOUNT Precipitation is rain, snow, or hail. 降水[技術] 2. N-UNCOUNT Precipitation is a process in a chemical reaction that causes solid particles to become separated from a liquid. 沉澱; 沉析[技術] 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 . 天氣預報是乾燥多雲(yún)，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 . 縂理被指責在処理危機問題上貿然行動。 precipitation noun [U] (IN CHEMISTRY) chemistry specialized a chemical process in which a solid substance is produced from a liquid 沉澱物，析出物質 The compound is finally obtained by precipitation. 最終通過沉澱反應獲得化郃物。 返回 precipitation