supergrass怎么读：英 [ˈsu:pəgrɑ:s] 美 [ˈsupərgræs]
supergrass是什么意思：n.向警方提供大量罪犯活动情报的人（尤指本人也是罪犯的人）；
supergrass的复数：supergrasses
supergrass的例句和用法
权威例句
Committee member Raymond McCartney said the case put a question mark over the future of supergrass trials.
The letter follows a report by BBC South East on Raymond Gilmour who said he was abandoned by MI5 after becoming an IRA "supergrass".
"The history of supergrass trials is that the overwhelming majority, if not all of them, have always put in the witness box people of poor credibility, " he said.
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