precipitation
n. 坠落, 沉淀, 降水, 轻率, 急速, 猛冲, 突如其来 [化] 析出
发音
词形变化
别名
教材释义与例句
沉淀， 沉淀物；降水；冰雹；坠落；鲁莽
释义与例句
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1.
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.
降水
降水量
可数 不可数 气象South Korea’s Ministry of Environment said in a news release that no major precipitation was observed after the cloud seeding operation.
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2.
The amount of water precipitated in any form.
可数 不可数 气象 -
3.
A hurried headlong fall.
可数 不可数 -
4.
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.
沉淀
可数 不可数 化学 -
5.
Unwise or rash rapidity; sudden haste.
可数 比喻 不可数
词汇关系
相关短语
词源
From Middle French précipitation, from Latin praecipitātiō, praecipitātiōnem. By surface analysis, precipitate + -ion.
来源：wiktionary