降雨的英文：
precipitation
rainfall

参考例句：
  • There will be precipitation on northern hills tonight.
    今夜北面山上有降雨。
  • copious rainfall.
    充足的降雨(量)
  • Three inches of rain fell in Manchester last night.
    曼彻斯特市昨夜降雨三英寸.
  • Three inches of rain fell in manchester last night
    曼彻斯特市昨夜降雨叁英寸
  • Rain or snow falls when a cloud is cooled suddenly.
    当一块云突然变冷时，就降雨或降雪。
  • It can increase rainfall infiltration and freshen saline groundwater.
    它能增大降雨入渗，淡化地下咸水。
  • The flood had been caused by unprecedented rainfall.
    洪水是由于前所未有的大量降雨造成的。
  • 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。
  • After three hours of intermittent rain, the game was abandoned.
    3个小时断断续续的降雨之后，比赛取消了。
  • When rain falls, the loess particles on the surface layer swell and form a crust that is almost impermeable to water
    降雨时，表层的黄土粒就发生膨胀并形成一层几乎是不透水的表皮。
precipitation是什么意思：
n. 降落；降水量；沉淀（物）；鲁莽；冰雹
  • That was a precipitous decision.
    那是一个轻率的决定。
  • An agent that precipitates or is capable of precipitating such a state.
    骚动的原因引起或能引起这种状态的原动力
  • precipitate a country into a crisis
    使一个国家突然陷入危机
  • precipitate oneself into(danger)
    使自已陷入(危险)
  • All this will precipitate an economic crisis.
    所有这些会促成经济危机。
rainfall是什么意思：
n. 降雨（量）
  • The rainfall there averages 300mm a year.
    那儿的年降雨量平均每年为三百毫米。
  • The amount of rainfall determines the quality of the crop.
    降雨量决定着收成的好坏。
  • Variable pressure,rainfall,weather,speed
    变化不定的压力、降雨量、天气、速度
  • The mountains rejoice in an average annual rainfall of thirty inches.
    山区的年平均降雨量为30英寸。
  • The areas of greater rainfall conform roughly with these forested areas.
    降雨量较大地区大致与这些森林地区相符合。

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