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explosion (EN)
名詞

名詞 “explosion”

単数形 explosion、複数形 explosions または不可算
  1. 爆発
    The fireworks show ended with a spectacular explosion that lit up the night sky.
  2. 急増(数量や大きさの急激な増加を指す場合)
    The introduction of smartphones caused an explosion in mobile internet usage.