precipitation + verb (e.g., falls, occurs)
Precipitation falls in various forms.
降水以多种形式降落。
降水
precipitations — plural of precipitation
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。；特定地点和时间内的降水量；以任何形式降落的水量；化学沉淀过程；匆忙的头朝下跌落
the quantity of water falling to earth as rain, snow, etc.
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
匆忙的头朝下跌落
A hurried headlong fall.
降水(雨、雪、冰雹、霰、雾等)
the falling to earth of any form of water (rain or snow or hail or sleet or mist)
导致在较轻液体中形成较重且通常不太溶解的固体的反应；沉淀物形成于容器底部
A reaction that leads to the formation of a heavier, and often less soluble, solid in a lighter liquid; the precipitate so formed at the bottom of the container.
不明智或轻率的快速；突然的仓促
Unwise or rash rapidity; sudden haste.
The weather forecast says precipitation is likely this afternoon.
天气预报说今天下午可能会有降水。
用法提示：这里 precipitation 是不可数名词，指落到地面的雨、雪等降水总量。
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。
用法提示：precipitation 在此指一段时间内某地的降水量，作主语。
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。
用法提示：precipitation 用作名词，表示特定地区的降水量。
AI contextual example
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。
rainfall 仅指降雨，不涵盖雪、冰雹等。在谈论降水量时，若已知是雨，可替换 precipitation；但若涉及雪或混合降水，则不能使用。
snowfall 仅指降雪，不能用于雨或其他降水形式。仅在下雪语境中可作为 precipitation 的替代词。
rain 是降水最常见的形式，口语中常用 rain 指代降水，但正式气象语境中需明确区分。当 precipitation 为雨时，可以替换；为雪或其他形式时则不可。
grammar · medium
易错句子It precipitated heavily yesterday.
正确表达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。
grammar · medium
易错句子There were many precipitations this week.
正确表达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。
rainfall 特指降雨的量，而 precipitation 包括一切降水形式（雨、雪、霰、冰雹等）。
snowfall 特指降雪的量，是 precipitation 的一种具体形式。
condensation 指水蒸气变为液体的过程，是降水的前奏，而非降水本身。
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。
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pre- (before/forth) + cipit (head, from Latin caput) + -ation (noun suffix) → the process of falling headlong; rain, snow, etc. falling from the sky
pre- + cipit (head) + -ate (verb suffix) → cause to fall headlong; make something happen suddenly; form a solid in a liquid
pre- + cipit (head) + -ous (adjective suffix) → like a headlong fall; extremely steep; sudden
pre- + cip (head) + -ice (noun suffix) → a place that drops headlong; a very steep cliff
水循环中与降水方向相反的过程，水变成水汽上升到大气中。
水汽遇冷凝结成水滴，是形成降水的重要前置环节。
空气中水汽含量，直接影响降水的可能性和强度。
强降水常伴随的天气系统，是降水的常见载体。
降水长期偏少导致的状况，与降水形成对比。
Dictionary facts from ECDICT, WIKTIONARY.