precipitation
英 [pr?,s?p?'te??(?)n]
美[pr?'s?p?'te??n]
- n. [化學(xué)] 沉淀，[化學(xué)] 沉淀物；冰雹；墜落；魯莽
英英釋意
- 1. the quantity of water falling to earth at a specific place within a specified period of time;
- "the storm brought several inches of precipitation"
- 2. the process of forming a chemical precipitate
- 3. the falling to earth of any form of water (rain or snow or hail or sleet or mist)
- 4. the act of casting down or falling headlong from a height
- 5. an unexpected acceleration or hastening;
- "he is responsible for the precipitation of his own demise"
- 6. overly eager speed (and possible carelessness);
- "he soon regretted his haste"