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has been whirring

  • present perfect progressive
    of whir (3rd person singular).
    whir
    verb (used without object)
    to go, fly, revolve, or otherwise move quickly with a humming or buzzing sound.

Example Sentences

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Debate has been whirring over who will play the next Doctor ever since Peter Capaldi announced in January that he was leaving the programme.

From The Guardian ● Jul. 16, 2017

The details are fresh, but the economic machine that propels the asset management business has been whirring along for decades.

From New York Times ● May 9, 2015

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