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单词 phototropism
释义

WordReference Random House Unabridged Dictionary of American English © 2024
pho•tot•ro•pism  (fō totrə piz′əm, fō′tō trōpiz əm),USA pronunciation n. [Bot.]
  1. Botanyphototropic tendency or growth.
  • photo- + -tropism 1895–1900

Collins Concise English Dictionary © HarperCollins Publishers::
phototropism /ˌfəʊtəʊˈtrəʊpɪzəm/ n
  1. the growth response of plant parts to the stimulus of light, producing a bending towards the light source

ˌphotoˈtropic adj
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