国こく際さい博はく覧らん会かい

noun

world exposition; international exposition; world fair

Formal term for a large international exhibition, such as Expo. Often abbreviated to 万博 (ばんぱく) in everyday speech.

• 2025年ねんの国こく際さい博はく覧らん会かいは大おお阪さかで開かい催さいされます。

  The 2025 World Exposition will be held in Osaka.