名词
中文翻译：间谍
同义词：
['detective', 'investigator', 'spy']
例句：
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1. The police are investigating the disappearanceof the missing child.
警方正在调查失踪儿童的下落。
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2. He is a skilled spywho has been working for the government formany years.
他是一个熟练的间谍，已经在政府工作了很多年。
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3. She was a famousspy in World War II, secretlygathering intelligence for her country.
她在第二次世界大战中是一名著名的间谍，秘密为她的国家收集情报。