降水量的英文：
precipitation
rainfall
precipitation

参考例句：

Precipitation(mm)
年降水量(毫米)

There is little rain in most parts of the country with most precipitation occurring along the coast.
大部分地区降水量较小，沿海地区降水量较大

Precipitation in the mountain area is higher than in the plains .
山地的降水量要比平原高。

Aerial photography can provide valuable information on precipitation, evapotranspiration, interception, and runoff
航空摄影可提供有关降水量、蒸发蒸腾量、入渗和径流量的有价值的资料。

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。