brainwave

名词 brainwave:

1. (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph
   同义词：brain wave, cortical potential
2. the clear (and often sudden) understanding of a complex situation
   同义词：insight, brainstorm

1. I've just had a brainwave; I know the answer!
   我刚才灵机一动，找到了答案！
2. I've just had a brainwave; I know a new approach to the difficult problem!
   我刚才灵机一动，突然想出了一个解决这一难题的新办法！