drum·beat /ˈdrʌmˌbit/
 鼓的一擊


 Drum·beat n. The sound of a beaten drum; drum music.
    Whose morning drumbeat, following the sun, and keeping company with the hours, circles the earth with one continuous and unbroken strain of the martial airs of England.   --D. Webster.

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 drumbeat
      n 1: the sound made by beating a drum [syn: rub-a-dub, rataplan]
      2: (military) the beating of a drum as a signal for lowering
         the flag at sundown
      3: a vehement and vociferous advocacy of a cause; "the
         warmongers kept up their drumbeat on Iraq"