名词
中文翻译：侦察活动
同义词：
['surveillance activity', 'reconnaissance activity']
例句：
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1. The scouts were busy planning their next mission.
侦察队员们忙着规划他们的下一次任务。
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2.The police conducted a thorough investigation into the incident.
警方对这起事件进行了彻底的调查。
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3.The spy network was designed to gather intelligence for the government.
这个间谍网络被设计来为政府收集情报。