pho·to·dy·nam·ic /-(ˌ)daɪˈnæmɪk/
  (a.)光力學的
  pho·to·dy·nam·ic /-daɪˈnæmɪk/ 形容詞
  光動力(作用)的,光促的
  Pho·to·dy·nam·ics n.   Plant Physiol. The relation of light to the movements of plants and their organs; the study of the phenomena of curvatures induced by the stimulus of light. -- Pho*to*dy*nam*ic Pho*to*dy*nam*ic*al a.
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