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Jyutping waan4 kau4
Pinyin huán qiú

Definitions (CC-CANTO)
  1. worldwide; global
Definitions (Wiktionary)
  1. noun, literary
    whole world; whole earth; universe
    (syn.) 寰宇
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)