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Jyutping kwan4 zung3 wan6 dung6
Pinyin qún zhòng yùn dòng

Definitions (CC-CANTO)
  1. mass movement or campaign
Definitions (Wiktionary)
  1. noun
    mass movement
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)