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Jyutping maan6 gwok3 bok3 laam5 wui2
Pinyin wàn guó bó lǎn huì

Definitions (CC-CEDICT)
  1. universal exposition
  2. world expo
Examples (Wiktionary)
  1. Mandarin
    万国博览会
    萬國博覽會
    wàn guó bó lǎn huì
    • world fair