警方正在调查该社区犯罪活动的激增。

The police are investigating a surge in criminal activity in the neighborhood.

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The police are investigating a surge in criminal activity in the neighborhood.

activity 是名词,来自形容词 active(活跃的),指"活动、行为"。 criminal activity 指"犯罪活动",即违反法律的行为。

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