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sprinkler

noun
🔊/ˈsprɪŋklə(r)/
🔊/ˈsprɪŋklər/
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  1. a device with holes in that is used to spray water in drops onto plants, soil or grass喷洒器；喷头
    Topics Gardensc2, Farmingc2
  2. a device inside a building that sprays out water if it detects a rise in temperature because of a fire （建筑物内的）喷洒装置，消防喷淋，自动喷水灭火装置