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单词 brain wave
释义

WordReference Random House Learner's Dictionary of American English © 2024
ˈbrain ˌwave, n. [countable]
  1. PhysiologyUsually, brain waves. [plural] electrical currents or force given off by the brain when it is active:a special device to record the activity of brain waves during dreaming.
  2. brainstorm (def. 1).

WordReference Random House Unabridged Dictionary of American English © 2024
brain′ wave′, 
    1. Usually, brain waves. [Med.]electrical potentials or impulses given off by brain tissue. Cf. alpha rhythm, beta rhythm, delta rhythm.
    2. [Informal.]a sudden idea or inspiration;
      brainstorm.
    • 1865–70

Collins Concise English Dictionary © HarperCollins Publishers::
brain wave n
  1. any of the fluctuations of electrical potential in the brain as represented on an electroencephalogram. They vary in frequency from 1 to 30 hertz
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更新时间：2025/2/23 14:39:55