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单词 phototaxy
释义

WordReference Random House Unabridged Dictionary of American English © 2024
pho•to•tax•is  (fō′tə taksis),USA pronunciation n. [Biol.]
  1. Biologymovement of an organism toward or away from a source of light.
Also, photo•tax′y. 
  • 1900–05; photo- + -taxis
pho•to•tac•tic  (fō′tə taktik),USA pronunciation adj.  pho′to•tacti•cal•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::
phototaxis /ˌfəʊtəʊˈtæksɪs/, phototaxy n
  1. the movement of an entire organism in response to light
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