Place it as the closing reaction after the announcement or reveal, then follow it with kids cheering to widen the celebration. For a bigger build, put oh my god wow just before it so this clip lands as the final payoff line in the sequence.
關於此聲音
This is an eight-second voice clip of someone exclaiming 'What a time to be alive' with full, disbelieving enthusiasm. It captures that bright, slightly overwhelmed rush when something wonderful, lucky or absurdly perfect happens all at once, and you are genuinely grateful to be there for it.