| overly eager speed (and possible carelessness); "he soon regretted his haste"
同义词：haste, hastiness, hurry, hurriedness,
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| an unexpected acceleration or hastening; "he is responsible for the precipitation of his own demise"
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| the act of casting down or falling headlong from a height
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| the falling to earth of any form of water (rain or snow or hail or sleet or mist)
同义词：downfall,
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| the process of forming a chemical precipitate
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| the quantity of water falling to earth at a specific place within a specified period of time; "the storm brought several inches of precipitation"
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| 1. | Precipitation might spoil things .
轻举妄动会把事情弄得不可收拾。
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| 2. | Abundant precipitation is more important than extreme cold .
丰富的降雪量比酷寒更为重要。
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| 3. | Clouds are sometimes seeded with silver iodide to induce precipitation .
人们有时在云里播撒碘化银，以诱使降雨。
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| 4. | The quantity of precipitation varies greatly from year to year in these regions .
在这些地区每年降雨量的变化很大。
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| 5. | Heavy vegetation may intercept a large amount of precipitation on its leaves .
浓密的植被的叶子中能截留大量的降水。
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| 6. | The incubation time for incipient precipitation is often a minute or more .
出现沉淀的孕育时间常常需要一分钟或更多的时间。
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| 7. | There is generally more evaporation over the oceans and more precipitation over the land .
通常在海洋蒸发量较大，而陆地上则降水量较大。
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| 8. | The actual practice of electrical precipitation involves a surprising number of scientific disciplines .
在实践中，电收尘涉及到许多科学领域。
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| 9. | Such crystals are thus efficient condensation nuclei and so promote precipitation from a cloud .
这种晶体是有效的凝聚核，从而促使云变雨降落。
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| 10. | Nearly all the precipitation that falls on the earth results from the cooling of rising air .
几乎落到地球上的所有降水都是由于上升空气的冷却。
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