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Jyutping waan4 wai6
Pinyin huán wèi

Definitions (CC-CEDICT)
  1. public cleanliness
  2. (urban) sanitation
  3. environmental sanitation
  4. abbr. for 環境衛生|环境卫生[huan2 jing4 wei4 sheng1]
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)