通草下奶有副作用吗:precipitation是什么意思

precipitation
英[prɪˌsɪpɪˈteɪʃn]
美[prɪˌsɪpɪˈteʃən]
n. 匆促;沉淀;（雨等）降落;某地区降雨等的量
名词复数:precipitations
[例句]Northern and central china have had little precipitation since november.
从11月份开始中国北部与中部地区就很少有降水。

沉淀(化学）

precipitation n. 仓促
沉淀是 deposition

precipitation
pre.cip.i.ta.tion
AHD:[pr¹-s¹p”¹-t³“sh…n]
D.J.[pri7sipi6tei.*n]
K.K.[pr!7s!p!6te.*n]
n.（名词）
A headlong fall or rush.
猛然落下或冲下
Abrupt or impulsive haste.
急躁或冲动
A hastening or an acceleration, especially one that is sudden or unexpected:
陡然，促然：尤指突然的或出乎意料的急促或加速：
He is responsible for the precipitation of his own demise.
他得为自己的卒死负责
Abbr. pptn.Meteorology
缩写 pptn.【气象学】
Any form of water, such as rain, snow, sleet, or hail, that falls to the earth's surface.
降水：暴雨、雪、冻雪或冰雹降落到地表的任何形式的水
The quantity of such water falling in a specific area within a specific period.
降水量：某一特定时期内特定区域的降水数量
Chemistry The process of separating a substance from a solution as a solid.
【化学】 沉淀：把物质从溶液中分解为固体的过程

沉淀剂