cloud seeding
noun[U]
environmentspecializeduk/ˈklaʊd ˌsiː.dɪŋ/us/ˈklaʊd ˌsiː.dɪŋ/theactofspreadingsubstancessuch ascertainchemicalsinclouds, inordertotryto make themproducerain, or morerain:
（为进行人工降雨而作的）云的催化，云种散播Someofficialssaidcloudseedinghasincreasedrainfallperhapsby 10percent.一些官员说，云种散播可能增加了10% 的降雨量。
- Many researchersremainunconvinced thatcloudseedinghas beenconclusivelyshowntoproduceamajorboostinrainfall.
- Much of theeffortcentersoncloudseeding, in whichicecrystalsareaddedtocloudsso that moremoistureisreleasedasrain.
- Cloudseedingand otherformsofweathermodificationare being givenseriousconsideration.
- Forcloudseedingto besuccessful,cloudsmustcontainsupercooledwater-waterthat hasremainedliquidat below-freezingtemperatures.
Precipitation: rain
- bucket
- bucket down
- cloud seeder
- cloudburst
- downpour
- drizzle
- heaven
- it's raining cats and dogs!idiom
- mizzle
- pelt
- piss
- puddle
- rain gauge
- rainbow
- rainstorm
- seed
- shower
- wash
- wash(something)out
- washout