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precipitation + verb (e.g., falls, occurs)
Precipitation falls in various forms.
降水以多种形式降落。
降水
先理解核心含义，再看它在真实句子里的用法。
降水
the quantity of water falling to earth as rain, snow, etc.
Precipitation falls in various forms.
降水以多种形式降落。
从大气层上层降落的各种形式的水颗粒,如雨、冰雹、雪或雨夹雪。它是水象的一大类,但与云、雾、露、霜等不同,必须降落。与云和降水不同,必须到达地面。
Any or all of the forms of water particles, whether liquid or solid, that fall from the upper atmosphere (e.g., rain, hail, snow or sleet). It is a major class of hydrometeor, but it is distinguished from cloud, fog, dew, rime, frost, etc., in that it must fall. It is distinguished from cloud and virga in that it must reach the ground.
特定地点和时间内的降水量
the quantity of water falling to earth at a specific place within a specified period of time
以任何形式降落的水量
The amount of water precipitated in any form.
化学沉淀过程
the process of forming a chemical precipitate
The weather forecast says precipitation is likely this afternoon.
天气预报说今天下午可能会有降水。
AI contextual example
Annual precipitation in this region has decreased over the past decade.
这个地区的年降水量在过去十年里有所减少。
AI contextual example
The map shows average monthly precipitation for each county.
这张地图显示了每个县的平均月降水量。
AI contextual example
the storm brought several inches of precipitation
暴风雨带来了几英寸的降水
WordNet
Precipitation falls in various forms.
降水以多种形式降落。
The amount of precipitation this year is below average.
今年的降水量低于平均水平。
Precipitation as snow is common in winter.
冬季常见降雪形式的降水。
Precipitation in the desert is very low.
沙漠地区的降水量很低。
Not this
It precipitated heavily yesterday.
Use this
There was heavy precipitation yesterday.
precipitation 是名词，不能用作动词；动词形式是 precipitate，但意思不同。
Not this
There were many precipitations this week.
Use this
There was a lot of precipitation this week.
在表示天气降水时，precipitation 通常为不可数名词，不用复数。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
强降水
The region received heavy precipitation overnight.
该地区夜间出现了强降水。
年降水量
The annual precipitation in this area is about 800 millimeters.
这个地区的年降水量约为800毫米。
降水预报
Check the precipitation forecast before planning your trip.
规划行程前先查看降水预报。
酸性降水
Acid precipitation can damage forests and lakes.
酸性降水会损害森林和湖泊。
对流性降水
Convective precipitation often occurs in the form of thunderstorms.
对流性降水常以雷暴形式出现。
极端降水事件
Climate change is increasing the frequency of extreme precipitation events.
气候变化正在增加极端降水事件的频率。
Use precipitation naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想 precipice(悬崖)：从悬崖坠下是掉落，从云上坠下则是 precipitation(降水)。
语域：formal 常见场景：weather reports、climate science、hydrology、academic writing precipitation 多用于气象、环境等正式或专业场合，日常口语中较少直接使用，通常会说 rain、snow 等更具体的词。
通常不可数，指不同种类时可数
Dictionary facts from ECDICT, WIKTIONARY.