clo·nus /ˈklonəs/
  陣攣
  clo·nus /ˈklonəs/ 名詞
  陣攣
  Clo·nus n.  Med. A series of muscular contractions due to sudden stretching of the muscle, -- a sign of certain neuropathies.
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  clonus
       n : convulsion characterized by alternating contractions and
           relaxations