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Jyutping hung1 hei3 cing1 san1 gei1
Pinyin kōng qì qīng xīn jī

Definitions (CC-CANTO)
  1. Air Purifier
Definitions (粵典–words.hk)
  1. 名詞
    放​喺​室​內​用​嚟​改善​空氣質​素​嘅​電​器
    air purifier