夏天正值高潮,城市里活动繁忙,充满活力。

Summer was getting into full swing and the city was buzzing with activity.

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Summer was getting into full swing and the city was buzzing with activity.

buzzing 是动词 buzz 的现在分词形式。buzz 原意是"嗡嗡声",这里比喻为"充满活力、热闹繁忙"的景象,就像蜜蜂群发出的嗡嗡声一样充满生机。

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