informants
n.
（向警方或报纸）提供消息的人( informant的名词复数 );
告密者;
（为研究等）提供资料的人;
合作者;
例句:
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His informants were middle-class professional women.
他的合作者是中产阶级职业妇女。
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Only two instances of genuine mummers'plays have been recorded from American informants since then.
从那以来,仅有两例真正的哑剧采自于当地人.
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Then someone is killing the informants in the same manner?
所以有人以相同的方式杀害告密者?
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Critics say its disclosures have endangered informants and broken laws.
来自VOA
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The spokesman refused to clarify what charges the informants faced.
来自VOA
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The following month, Kassar welcomed the three informants to Marbella.
来自NEWYORKER