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whistleblower (n.)
[whistleblower 词源字典]
also
whistle-blower
, 1963 in the figurative sense, American English, from
whistle
(n.) as something sounded in an alert + agent noun from
blow
(v.1).
[whistleblower etymology, whistleblower origin, 英语词源]
[whistleblower 词源字典]